Home / 121,218.62-181,627.38-61,972.76

Finding the Fourth Proportional to 121,218.62, 181,627.38 and 61,972.76

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Solution

The fourth proportional to 121,218.62, 181,627.38 and 61,972.76 is: 92,856.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,218.62 : 181,627.38 = 61,972.76 : x
  2. Step 2: Convert to fraction form
    121,218.62/181,627.38 = 61,972.76/x
  3. Step 3: Cross multiply
    121,218.62x = 181,627.38 × 61,972.76
  4. Step 4: Simplify right side
    121,218.62x = 11,255,950,030.17
  5. Step 5: Solve for x
    x = 11,255,950,030.17/121,218.62
  6. Step 6: Final answer
    x = 92,856.61

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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.