Home / 103,221.36-142,411.85-60,191.13

Finding the Fourth Proportional to 103,221.36, 142,411.85 and 60,191.13

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Solution

The fourth proportional to 103,221.36, 142,411.85 and 60,191.13 is: 83,044.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,221.36 : 142,411.85 = 60,191.13 : x
  2. Step 2: Convert to fraction form
    103,221.36/142,411.85 = 60,191.13/x
  3. Step 3: Cross multiply
    103,221.36x = 142,411.85 × 60,191.13
  4. Step 4: Simplify right side
    103,221.36x = 8,571,929,875.93
  5. Step 5: Solve for x
    x = 8,571,929,875.93/103,221.36
  6. Step 6: Final answer
    x = 83,044.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.