Home / 138,246.30-207,368.06-63,345.20

Finding the Fourth Proportional to 138,246.30, 207,368.06 and 63,345.20

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Solution

The fourth proportional to 138,246.30, 207,368.06 and 63,345.20 is: 95,017.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,246.30 : 207,368.06 = 63,345.20 : x
  2. Step 2: Convert to fraction form
    138,246.30/207,368.06 = 63,345.20/x
  3. Step 3: Cross multiply
    138,246.30x = 207,368.06 × 63,345.20
  4. Step 4: Simplify right side
    138,246.30x = 13,135,769,880.75
  5. Step 5: Solve for x
    x = 13,135,769,880.75/138,246.30
  6. Step 6: Final answer
    x = 95,017.15

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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.