Home / 138,024.06-207,225.64-71,510.10

Finding the Fourth Proportional to 138,024.06, 207,225.64 and 71,510.10

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Solution

The fourth proportional to 138,024.06, 207,225.64 and 71,510.10 is: 107,363.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,024.06 : 207,225.64 = 71,510.10 : x
  2. Step 2: Convert to fraction form
    138,024.06/207,225.64 = 71,510.10/x
  3. Step 3: Cross multiply
    138,024.06x = 207,225.64 × 71,510.10
  4. Step 4: Simplify right side
    138,024.06x = 14,818,726,238.96
  5. Step 5: Solve for x
    x = 14,818,726,238.96/138,024.06
  6. Step 6: Final answer
    x = 107,363.36

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1.5x scale

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.