Home / 101,801.27-140,502.62-56,493.81

Finding the Fourth Proportional to 101,801.27, 140,502.62 and 56,493.81

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Solution

The fourth proportional to 101,801.27, 140,502.62 and 56,493.81 is: 77,970.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,801.27 : 140,502.62 = 56,493.81 : x
  2. Step 2: Convert to fraction form
    101,801.27/140,502.62 = 56,493.81/x
  3. Step 3: Cross multiply
    101,801.27x = 140,502.62 × 56,493.81
  4. Step 4: Simplify right side
    101,801.27x = 7,937,527,333.80
  5. Step 5: Solve for x
    x = 7,937,527,333.80/101,801.27
  6. Step 6: Final answer
    x = 77,970.81

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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.