Home / 105,314.04-157,971.27-30,440.22

Finding the Fourth Proportional to 105,314.04, 157,971.27 and 30,440.22

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Solution

The fourth proportional to 105,314.04, 157,971.27 and 30,440.22 is: 45,660.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,314.04 : 157,971.27 = 30,440.22 : x
  2. Step 2: Convert to fraction form
    105,314.04/157,971.27 = 30,440.22/x
  3. Step 3: Cross multiply
    105,314.04x = 157,971.27 × 30,440.22
  4. Step 4: Simplify right side
    105,314.04x = 4,808,680,212.48
  5. Step 5: Solve for x
    x = 4,808,680,212.48/105,314.04
  6. Step 6: Final answer
    x = 45,660.39

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.