Home / 138,298.65-207,362.05-58,295.45

Finding the Fourth Proportional to 138,298.65, 207,362.05 and 58,295.45

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Solution

The fourth proportional to 138,298.65, 207,362.05 and 58,295.45 is: 87,406.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,298.65 : 207,362.05 = 58,295.45 : x
  2. Step 2: Convert to fraction form
    138,298.65/207,362.05 = 58,295.45/x
  3. Step 3: Cross multiply
    138,298.65x = 207,362.05 × 58,295.45
  4. Step 4: Simplify right side
    138,298.65x = 12,088,263,726.20
  5. Step 5: Solve for x
    x = 12,088,263,726.20/138,298.65
  6. Step 6: Final answer
    x = 87,406.96

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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.