Home / 159,545.22-220,196.71-121,242.34

Finding the Fourth Proportional to 159,545.22, 220,196.71 and 121,242.34

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Solution

The fourth proportional to 159,545.22, 220,196.71 and 121,242.34 is: 167,332.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,545.22 : 220,196.71 = 121,242.34 : x
  2. Step 2: Convert to fraction form
    159,545.22/220,196.71 = 121,242.34/x
  3. Step 3: Cross multiply
    159,545.22x = 220,196.71 × 121,242.34
  4. Step 4: Simplify right side
    159,545.22x = 26,697,164,380.70
  5. Step 5: Solve for x
    x = 26,697,164,380.70/159,545.22
  6. Step 6: Final answer
    x = 167,332.90

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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.