Home / 121,353.30-181,886.98-54,715.41

Finding the Fourth Proportional to 121,353.30, 181,886.98 and 54,715.41

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Solution

The fourth proportional to 121,353.30, 181,886.98 and 54,715.41 is: 82,008.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,353.30 : 181,886.98 = 54,715.41 : x
  2. Step 2: Convert to fraction form
    121,353.30/181,886.98 = 54,715.41/x
  3. Step 3: Cross multiply
    121,353.30x = 181,886.98 × 54,715.41
  4. Step 4: Simplify right side
    121,353.30x = 9,952,020,684.36
  5. Step 5: Solve for x
    x = 9,952,020,684.36/121,353.30
  6. Step 6: Final answer
    x = 82,008.65

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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.