Home / 138,254.87-207,171.03-93,109.29

Finding the Fourth Proportional to 138,254.87, 207,171.03 and 93,109.29

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Solution

The fourth proportional to 138,254.87, 207,171.03 and 93,109.29 is: 139,521.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,254.87 : 207,171.03 = 93,109.29 : x
  2. Step 2: Convert to fraction form
    138,254.87/207,171.03 = 93,109.29/x
  3. Step 3: Cross multiply
    138,254.87x = 207,171.03 × 93,109.29
  4. Step 4: Simplify right side
    138,254.87x = 19,289,547,511.87
  5. Step 5: Solve for x
    x = 19,289,547,511.87/138,254.87
  6. Step 6: Final answer
    x = 139,521.65

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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.