Home / 99,099.38-148,671.75-42,948.89

Finding the Fourth Proportional to 99,099.38, 148,671.75 and 42,948.89

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Solution

The fourth proportional to 99,099.38, 148,671.75 and 42,948.89 is: 64,433.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,099.38 : 148,671.75 = 42,948.89 : x
  2. Step 2: Convert to fraction form
    99,099.38/148,671.75 = 42,948.89/x
  3. Step 3: Cross multiply
    99,099.38x = 148,671.75 × 42,948.89
  4. Step 4: Simplify right side
    99,099.38x = 6,385,286,636.86
  5. Step 5: Solve for x
    x = 6,385,286,636.86/99,099.38
  6. Step 6: Final answer
    x = 64,433.16

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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.