Home / 121,213.41-181,572.24-98,803.95

Finding the Fourth Proportional to 121,213.41, 181,572.24 and 98,803.95

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Solution

The fourth proportional to 121,213.41, 181,572.24 and 98,803.95 is: 148,003.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,213.41 : 181,572.24 = 98,803.95 : x
  2. Step 2: Convert to fraction form
    121,213.41/181,572.24 = 98,803.95/x
  3. Step 3: Cross multiply
    121,213.41x = 181,572.24 × 98,803.95
  4. Step 4: Simplify right side
    121,213.41x = 17,940,054,522.35
  5. Step 5: Solve for x
    x = 17,940,054,522.35/121,213.41
  6. Step 6: Final answer
    x = 148,003.88

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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.