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Finding the Fourth Proportional to 101,737.73, 140,399.77 and 56,417.62

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Solution

The fourth proportional to 101,737.73, 140,399.77 and 56,417.62 is: 77,857.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,737.73 : 140,399.77 = 56,417.62 : x
  2. Step 2: Convert to fraction form
    101,737.73/140,399.77 = 56,417.62/x
  3. Step 3: Cross multiply
    101,737.73x = 140,399.77 × 56,417.62
  4. Step 4: Simplify right side
    101,737.73x = 7,921,020,871.95
  5. Step 5: Solve for x
    x = 7,921,020,871.95/101,737.73
  6. Step 6: Final answer
    x = 77,857.26

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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.