Home / 121,084.67-181,625.18-54,477.76

Finding the Fourth Proportional to 121,084.67, 181,625.18 and 54,477.76

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Solution

The fourth proportional to 121,084.67, 181,625.18 and 54,477.76 is: 81,715.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,084.67 : 181,625.18 = 54,477.76 : x
  2. Step 2: Convert to fraction form
    121,084.67/181,625.18 = 54,477.76/x
  3. Step 3: Cross multiply
    121,084.67x = 181,625.18 × 54,477.76
  4. Step 4: Simplify right side
    121,084.67x = 9,894,532,693.61
  5. Step 5: Solve for x
    x = 9,894,532,693.61/121,084.67
  6. Step 6: Final answer
    x = 81,715.82

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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.