Home / 145,252.40-217,878.60-92,505.20

Finding the Fourth Proportional to 145,252.40, 217,878.60 and 92,505.20

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Solution

The fourth proportional to 145,252.40, 217,878.60 and 92,505.20 is: 138,757.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,252.40 : 217,878.60 = 92,505.20 : x
  2. Step 2: Convert to fraction form
    145,252.40/217,878.60 = 92,505.20/x
  3. Step 3: Cross multiply
    145,252.40x = 217,878.60 × 92,505.20
  4. Step 4: Simplify right side
    145,252.40x = 20,154,903,468.72
  5. Step 5: Solve for x
    x = 20,154,903,468.72/145,252.40
  6. Step 6: Final answer
    x = 138,757.80

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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.