Home / 129,784.80-194,677.20-88,005.60

Finding the Fourth Proportional to 129,784.80, 194,677.20 and 88,005.60

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Solution

The fourth proportional to 129,784.80, 194,677.20 and 88,005.60 is: 132,008.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,784.80 : 194,677.20 = 88,005.60 : x
  2. Step 2: Convert to fraction form
    129,784.80/194,677.20 = 88,005.60/x
  3. Step 3: Cross multiply
    129,784.80x = 194,677.20 × 88,005.60
  4. Step 4: Simplify right side
    129,784.80x = 17,132,683,792.32
  5. Step 5: Solve for x
    x = 17,132,683,792.32/129,784.80
  6. Step 6: Final answer
    x = 132,008.40

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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.