Home / 105,046.36-157,523.06-30,149.12

Finding the Fourth Proportional to 105,046.36, 157,523.06 and 30,149.12

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Solution

The fourth proportional to 105,046.36, 157,523.06 and 30,149.12 is: 45,210.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,046.36 : 157,523.06 = 30,149.12 : x
  2. Step 2: Convert to fraction form
    105,046.36/157,523.06 = 30,149.12/x
  3. Step 3: Cross multiply
    105,046.36x = 157,523.06 × 30,149.12
  4. Step 4: Simplify right side
    105,046.36x = 4,749,181,638.71
  5. Step 5: Solve for x
    x = 4,749,181,638.71/105,046.36
  6. Step 6: Final answer
    x = 45,210.34

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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.