Home / 138,024.84-207,085.87-67,953.36

Finding the Fourth Proportional to 138,024.84, 207,085.87 and 67,953.36

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Solution

The fourth proportional to 138,024.84, 207,085.87 and 67,953.36 is: 101,953.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,024.84 : 207,085.87 = 67,953.36 : x
  2. Step 2: Convert to fraction form
    138,024.84/207,085.87 = 67,953.36/x
  3. Step 3: Cross multiply
    138,024.84x = 207,085.87 × 67,953.36
  4. Step 4: Simplify right side
    138,024.84x = 14,072,181,154.30
  5. Step 5: Solve for x
    x = 14,072,181,154.30/138,024.84
  6. Step 6: Final answer
    x = 101,953.97

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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.