Home / 105,041.40-157,585.56-38,480.16

Finding the Fourth Proportional to 105,041.40, 157,585.56 and 38,480.16

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Solution

The fourth proportional to 105,041.40, 157,585.56 and 38,480.16 is: 57,728.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,041.40 : 157,585.56 = 38,480.16 : x
  2. Step 2: Convert to fraction form
    105,041.40/157,585.56 = 38,480.16/x
  3. Step 3: Cross multiply
    105,041.40x = 157,585.56 × 38,480.16
  4. Step 4: Simplify right side
    105,041.40x = 6,063,917,562.49
  5. Step 5: Solve for x
    x = 6,063,917,562.49/105,041.40
  6. Step 6: Final answer
    x = 57,728.83

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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.