Home / 131,448.30-197,123.85-42,704.70

Finding the Fourth Proportional to 131,448.30, 197,123.85 and 42,704.70

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Solution

The fourth proportional to 131,448.30, 197,123.85 and 42,704.70 is: 64,041.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,448.30 : 197,123.85 = 42,704.70 : x
  2. Step 2: Convert to fraction form
    131,448.30/197,123.85 = 42,704.70/x
  3. Step 3: Cross multiply
    131,448.30x = 197,123.85 × 42,704.70
  4. Step 4: Simplify right side
    131,448.30x = 8,418,114,877.10
  5. Step 5: Solve for x
    x = 8,418,114,877.10/131,448.30
  6. Step 6: Final answer
    x = 64,041.26

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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.