Home / 102,743.20-154,017.60-60,655.60

Finding the Fourth Proportional to 102,743.20, 154,017.60 and 60,655.60

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Solution

The fourth proportional to 102,743.20, 154,017.60 and 60,655.60 is: 90,926.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,743.20 : 154,017.60 = 60,655.60 : x
  2. Step 2: Convert to fraction form
    102,743.20/154,017.60 = 60,655.60/x
  3. Step 3: Cross multiply
    102,743.20x = 154,017.60 × 60,655.60
  4. Step 4: Simplify right side
    102,743.20x = 9,342,029,938.56
  5. Step 5: Solve for x
    x = 9,342,029,938.56/102,743.20
  6. Step 6: Final answer
    x = 90,926.02

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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.