Home / 99,756.10-149,442.18-62,330.86

Finding the Fourth Proportional to 99,756.10, 149,442.18 and 62,330.86

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Solution

The fourth proportional to 99,756.10, 149,442.18 and 62,330.86 is: 93,376.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,756.10 : 149,442.18 = 62,330.86 : x
  2. Step 2: Convert to fraction form
    99,756.10/149,442.18 = 62,330.86/x
  3. Step 3: Cross multiply
    99,756.10x = 149,442.18 × 62,330.86
  4. Step 4: Simplify right side
    99,756.10x = 9,314,859,599.67
  5. Step 5: Solve for x
    x = 9,314,859,599.67/99,756.10
  6. Step 6: Final answer
    x = 93,376.34

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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.