Home / 250,037.55-375,095.21-81,518.74

Finding the Fourth Proportional to 250,037.55, 375,095.21 and 81,518.74

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Solution

The fourth proportional to 250,037.55, 375,095.21 and 81,518.74 is: 122,290.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,037.55 : 375,095.21 = 81,518.74 : x
  2. Step 2: Convert to fraction form
    250,037.55/375,095.21 = 81,518.74/x
  3. Step 3: Cross multiply
    250,037.55x = 375,095.21 × 81,518.74
  4. Step 4: Simplify right side
    250,037.55x = 30,577,287,553.90
  5. Step 5: Solve for x
    x = 30,577,287,553.90/250,037.55
  6. Step 6: Final answer
    x = 122,290.78

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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.