Home / 102,320.28-141,169.50-57,599.64

Finding the Fourth Proportional to 102,320.28, 141,169.50 and 57,599.64

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Solution

The fourth proportional to 102,320.28, 141,169.50 and 57,599.64 is: 79,469.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,320.28 : 141,169.50 = 57,599.64 : x
  2. Step 2: Convert to fraction form
    102,320.28/141,169.50 = 57,599.64/x
  3. Step 3: Cross multiply
    102,320.28x = 141,169.50 × 57,599.64
  4. Step 4: Simplify right side
    102,320.28x = 8,131,312,378.98
  5. Step 5: Solve for x
    x = 8,131,312,378.98/102,320.28
  6. Step 6: Final answer
    x = 79,469.22

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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.