Home / 138,308.20-207,026.71-95,362.40

Finding the Fourth Proportional to 138,308.20, 207,026.71 and 95,362.40

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Solution

The fourth proportional to 138,308.20, 207,026.71 and 95,362.40 is: 142,743.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,308.20 : 207,026.71 = 95,362.40 : x
  2. Step 2: Convert to fraction form
    138,308.20/207,026.71 = 95,362.40/x
  3. Step 3: Cross multiply
    138,308.20x = 207,026.71 × 95,362.40
  4. Step 4: Simplify right side
    138,308.20x = 19,742,563,929.70
  5. Step 5: Solve for x
    x = 19,742,563,929.70/138,308.20
  6. Step 6: Final answer
    x = 142,743.26

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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.