Home / 131,778.60-181,854.54-71,349.26

Finding the Fourth Proportional to 131,778.60, 181,854.54 and 71,349.26

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Solution

The fourth proportional to 131,778.60, 181,854.54 and 71,349.26 is: 98,462.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,778.60 : 181,854.54 = 71,349.26 : x
  2. Step 2: Convert to fraction form
    131,778.60/181,854.54 = 71,349.26/x
  3. Step 3: Cross multiply
    131,778.60x = 181,854.54 × 71,349.26
  4. Step 4: Simplify right side
    131,778.60x = 12,975,186,856.64
  5. Step 5: Solve for x
    x = 12,975,186,856.64/131,778.60
  6. Step 6: Final answer
    x = 98,462.02

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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.