Home / 103,033.59-142,188.15-57,711.17

Finding the Fourth Proportional to 103,033.59, 142,188.15 and 57,711.17

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Solution

The fourth proportional to 103,033.59, 142,188.15 and 57,711.17 is: 79,642.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,033.59 : 142,188.15 = 57,711.17 : x
  2. Step 2: Convert to fraction form
    103,033.59/142,188.15 = 57,711.17/x
  3. Step 3: Cross multiply
    103,033.59x = 142,188.15 × 57,711.17
  4. Step 4: Simplify right side
    103,033.59x = 8,205,844,462.79
  5. Step 5: Solve for x
    x = 8,205,844,462.79/103,033.59
  6. Step 6: Final answer
    x = 79,642.42

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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.