Home / 102,314.76-141,200.85-57,605.64

Finding the Fourth Proportional to 102,314.76, 141,200.85 and 57,605.64

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Solution

The fourth proportional to 102,314.76, 141,200.85 and 57,605.64 is: 79,499.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,314.76 : 141,200.85 = 57,605.64 : x
  2. Step 2: Convert to fraction form
    102,314.76/141,200.85 = 57,605.64/x
  3. Step 3: Cross multiply
    102,314.76x = 141,200.85 × 57,605.64
  4. Step 4: Simplify right side
    102,314.76x = 8,133,965,332.79
  5. Step 5: Solve for x
    x = 8,133,965,332.79/102,314.76
  6. Step 6: Final answer
    x = 79,499.43

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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.