Home / 102,859.27-141,957.56-57,548.73

Finding the Fourth Proportional to 102,859.27, 141,957.56 and 57,548.73

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Solution

The fourth proportional to 102,859.27, 141,957.56 and 57,548.73 is: 79,423.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,859.27 : 141,957.56 = 57,548.73 : x
  2. Step 2: Convert to fraction form
    102,859.27/141,957.56 = 57,548.73/x
  3. Step 3: Cross multiply
    102,859.27x = 141,957.56 × 57,548.73
  4. Step 4: Simplify right side
    102,859.27x = 8,169,477,169.60
  5. Step 5: Solve for x
    x = 8,169,477,169.60/102,859.27
  6. Step 6: Final answer
    x = 79,423.83

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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.