Home / 103,033.92-142,184.88-57,711.36

Finding the Fourth Proportional to 103,033.92, 142,184.88 and 57,711.36

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Solution

The fourth proportional to 103,033.92, 142,184.88 and 57,711.36 is: 79,640.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,033.92 : 142,184.88 = 57,711.36 : x
  2. Step 2: Convert to fraction form
    103,033.92/142,184.88 = 57,711.36/x
  3. Step 3: Cross multiply
    103,033.92x = 142,184.88 × 57,711.36
  4. Step 4: Simplify right side
    103,033.92x = 8,205,682,796.24
  5. Step 5: Solve for x
    x = 8,205,682,796.24/103,033.92
  6. Step 6: Final answer
    x = 79,640.60

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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.