Home / 131,675.60-181,711.01-71,244.91

Finding the Fourth Proportional to 131,675.60, 181,711.01 and 71,244.91

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Solution

The fourth proportional to 131,675.60, 181,711.01 and 71,244.91 is: 98,317.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,675.60 : 181,711.01 = 71,244.91 : x
  2. Step 2: Convert to fraction form
    131,675.60/181,711.01 = 71,244.91/x
  3. Step 3: Cross multiply
    131,675.60x = 181,711.01 × 71,244.91
  4. Step 4: Simplify right side
    131,675.60x = 12,945,983,644.90
  5. Step 5: Solve for x
    x = 12,945,983,644.90/131,675.60
  6. Step 6: Final answer
    x = 98,317.26

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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.