Home / 99,929.58-137,962.89-62,254.86

Finding the Fourth Proportional to 99,929.58, 137,962.89 and 62,254.86

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Solution

The fourth proportional to 99,929.58, 137,962.89 and 62,254.86 is: 85,949.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,929.58 : 137,962.89 = 62,254.86 : x
  2. Step 2: Convert to fraction form
    99,929.58/137,962.89 = 62,254.86/x
  3. Step 3: Cross multiply
    99,929.58x = 137,962.89 × 62,254.86
  4. Step 4: Simplify right side
    99,929.58x = 8,588,860,402.15
  5. Step 5: Solve for x
    x = 8,588,860,402.15/99,929.58
  6. Step 6: Final answer
    x = 85,949.13

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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.