Home / 156,545.46-216,116.45-122,481.57

Finding the Fourth Proportional to 156,545.46, 216,116.45 and 122,481.57

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Solution

The fourth proportional to 156,545.46, 216,116.45 and 122,481.57 is: 169,090.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,545.46 : 216,116.45 = 122,481.57 : x
  2. Step 2: Convert to fraction form
    156,545.46/216,116.45 = 122,481.57/x
  3. Step 3: Cross multiply
    156,545.46x = 216,116.45 × 122,481.57
  4. Step 4: Simplify right side
    156,545.46x = 26,470,282,229.47
  5. Step 5: Solve for x
    x = 26,470,282,229.47/156,545.46
  6. Step 6: Final answer
    x = 169,090.07

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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.