Home / 150,013.92-207,040.95-86,351.16

Finding the Fourth Proportional to 150,013.92, 207,040.95 and 86,351.16

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Solution

The fourth proportional to 150,013.92, 207,040.95 and 86,351.16 is: 119,177.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,013.92 : 207,040.95 = 86,351.16 : x
  2. Step 2: Convert to fraction form
    150,013.92/207,040.95 = 86,351.16/x
  3. Step 3: Cross multiply
    150,013.92x = 207,040.95 × 86,351.16
  4. Step 4: Simplify right side
    150,013.92x = 17,878,226,200.00
  5. Step 5: Solve for x
    x = 17,878,226,200.00/150,013.92
  6. Step 6: Final answer
    x = 119,177.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.