Home / 101,747.81-140,411.98-56,432.73

Finding the Fourth Proportional to 101,747.81, 140,411.98 and 56,432.73

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Solution

The fourth proportional to 101,747.81, 140,411.98 and 56,432.73 is: 77,877.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,747.81 : 140,411.98 = 56,432.73 : x
  2. Step 2: Convert to fraction form
    101,747.81/140,411.98 = 56,432.73/x
  3. Step 3: Cross multiply
    101,747.81x = 140,411.98 × 56,432.73
  4. Step 4: Simplify right side
    101,747.81x = 7,923,831,953.19
  5. Step 5: Solve for x
    x = 7,923,831,953.19/101,747.81
  6. Step 6: Final answer
    x = 77,877.17

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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.