Home / 86,177.44-129,170.58-36,242.74

Finding the Fourth Proportional to 86,177.44, 129,170.58 and 36,242.74

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Solution

The fourth proportional to 86,177.44, 129,170.58 and 36,242.74 is: 54,323.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,177.44 : 129,170.58 = 36,242.74 : x
  2. Step 2: Convert to fraction form
    86,177.44/129,170.58 = 36,242.74/x
  3. Step 3: Cross multiply
    86,177.44x = 129,170.58 × 36,242.74
  4. Step 4: Simplify right side
    86,177.44x = 4,681,495,746.59
  5. Step 5: Solve for x
    x = 4,681,495,746.59/86,177.44
  6. Step 6: Final answer
    x = 54,323.91

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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.