Home / 150,740.34-207,962.46-90,313.52

Finding the Fourth Proportional to 150,740.34, 207,962.46 and 90,313.52

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Solution

The fourth proportional to 150,740.34, 207,962.46 and 90,313.52 is: 124,597.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,740.34 : 207,962.46 = 90,313.52 : x
  2. Step 2: Convert to fraction form
    150,740.34/207,962.46 = 90,313.52/x
  3. Step 3: Cross multiply
    150,740.34x = 207,962.46 × 90,313.52
  4. Step 4: Simplify right side
    150,740.34x = 18,781,821,790.46
  5. Step 5: Solve for x
    x = 18,781,821,790.46/150,740.34
  6. Step 6: Final answer
    x = 124,597.18

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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.