Home / 91,946.86-137,822.28-52,418.86

Finding the Fourth Proportional to 91,946.86, 137,822.28 and 52,418.86

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Solution

The fourth proportional to 91,946.86, 137,822.28 and 52,418.86 is: 78,572.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,946.86 : 137,822.28 = 52,418.86 : x
  2. Step 2: Convert to fraction form
    91,946.86/137,822.28 = 52,418.86/x
  3. Step 3: Cross multiply
    91,946.86x = 137,822.28 × 52,418.86
  4. Step 4: Simplify right side
    91,946.86x = 7,224,486,800.20
  5. Step 5: Solve for x
    x = 7,224,486,800.20/91,946.86
  6. Step 6: Final answer
    x = 78,572.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.