Home / 150,149.12-207,280.76-86,474.62

Finding the Fourth Proportional to 150,149.12, 207,280.76 and 86,474.62

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Solution

The fourth proportional to 150,149.12, 207,280.76 and 86,474.62 is: 119,378.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,149.12 : 207,280.76 = 86,474.62 : x
  2. Step 2: Convert to fraction form
    150,149.12/207,280.76 = 86,474.62/x
  3. Step 3: Cross multiply
    150,149.12x = 207,280.76 × 86,474.62
  4. Step 4: Simplify right side
    150,149.12x = 17,924,524,954.31
  5. Step 5: Solve for x
    x = 17,924,524,954.31/150,149.12
  6. Step 6: Final answer
    x = 119,378.16

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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.