Home / 102,000.57-140,758.92-56,677.73

Finding the Fourth Proportional to 102,000.57, 140,758.92 and 56,677.73

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Solution

The fourth proportional to 102,000.57, 140,758.92 and 56,677.73 is: 78,214.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,000.57 : 140,758.92 = 56,677.73 : x
  2. Step 2: Convert to fraction form
    102,000.57/140,758.92 = 56,677.73/x
  3. Step 3: Cross multiply
    102,000.57x = 140,758.92 × 56,677.73
  4. Step 4: Simplify right side
    102,000.57x = 7,977,896,204.55
  5. Step 5: Solve for x
    x = 7,977,896,204.55/102,000.57
  6. Step 6: Final answer
    x = 78,214.23

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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.