Home / 276,147.27-413,996.13-86,510.07

Finding the Fourth Proportional to 276,147.27, 413,996.13 and 86,510.07

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Solution

The fourth proportional to 276,147.27, 413,996.13 and 86,510.07 is: 129,694.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,147.27 : 413,996.13 = 86,510.07 : x
  2. Step 2: Convert to fraction form
    276,147.27/413,996.13 = 86,510.07/x
  3. Step 3: Cross multiply
    276,147.27x = 413,996.13 × 86,510.07
  4. Step 4: Simplify right side
    276,147.27x = 35,814,834,186.03
  5. Step 5: Solve for x
    x = 35,814,834,186.03/276,147.27
  6. Step 6: Final answer
    x = 129,694.69

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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.