Home / 127,900.46-176,500.22-70,545.12

Finding the Fourth Proportional to 127,900.46, 176,500.22 and 70,545.12

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Solution

The fourth proportional to 127,900.46, 176,500.22 and 70,545.12 is: 97,350.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,900.46 : 176,500.22 = 70,545.12 : x
  2. Step 2: Convert to fraction form
    127,900.46/176,500.22 = 70,545.12/x
  3. Step 3: Cross multiply
    127,900.46x = 176,500.22 × 70,545.12
  4. Step 4: Simplify right side
    127,900.46x = 12,451,229,199.93
  5. Step 5: Solve for x
    x = 12,451,229,199.93/127,900.46
  6. Step 6: Final answer
    x = 97,350.93

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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.