Home / 138,460.10-207,690.15-44,975.30

Finding the Fourth Proportional to 138,460.10, 207,690.15 and 44,975.30

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Solution

The fourth proportional to 138,460.10, 207,690.15 and 44,975.30 is: 67,462.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,460.10 : 207,690.15 = 44,975.30 : x
  2. Step 2: Convert to fraction form
    138,460.10/207,690.15 = 44,975.30/x
  3. Step 3: Cross multiply
    138,460.10x = 207,690.15 × 44,975.30
  4. Step 4: Simplify right side
    138,460.10x = 9,340,926,803.30
  5. Step 5: Solve for x
    x = 9,340,926,803.30/138,460.10
  6. Step 6: Final answer
    x = 67,462.95

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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.