Home / 131,767.00-181,838.39-71,337.60

Finding the Fourth Proportional to 131,767.00, 181,838.39 and 71,337.60

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Solution

The fourth proportional to 131,767.00, 181,838.39 and 71,337.60 is: 98,445.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,767.00 : 181,838.39 = 71,337.60 : x
  2. Step 2: Convert to fraction form
    131,767.00/181,838.39 = 71,337.60/x
  3. Step 3: Cross multiply
    131,767.00x = 181,838.39 × 71,337.60
  4. Step 4: Simplify right side
    131,767.00x = 12,971,914,508.81
  5. Step 5: Solve for x
    x = 12,971,914,508.81/131,767.00
  6. Step 6: Final answer
    x = 98,445.85

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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.