Home / 102,654.72-154,065.02-43,531.92

Finding the Fourth Proportional to 102,654.72, 154,065.02 and 43,531.92

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Solution

The fourth proportional to 102,654.72, 154,065.02 and 43,531.92 is: 65,333.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,654.72 : 154,065.02 = 43,531.92 : x
  2. Step 2: Convert to fraction form
    102,654.72/154,065.02 = 43,531.92/x
  3. Step 3: Cross multiply
    102,654.72x = 154,065.02 × 43,531.92
  4. Step 4: Simplify right side
    102,654.72x = 6,706,745,907.78
  5. Step 5: Solve for x
    x = 6,706,745,907.78/102,654.72
  6. Step 6: Final answer
    x = 65,333.05

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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.