Home / 92,347.28-138,528.20-29,172.28

Finding the Fourth Proportional to 92,347.28, 138,528.20 and 29,172.28

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Solution

The fourth proportional to 92,347.28, 138,528.20 and 29,172.28 is: 43,760.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,347.28 : 138,528.20 = 29,172.28 : x
  2. Step 2: Convert to fraction form
    92,347.28/138,528.20 = 29,172.28/x
  3. Step 3: Cross multiply
    92,347.28x = 138,528.20 × 29,172.28
  4. Step 4: Simplify right side
    92,347.28x = 4,041,183,438.30
  5. Step 5: Solve for x
    x = 4,041,183,438.30/92,347.28
  6. Step 6: Final answer
    x = 43,760.72

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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.