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Finding the Fourth Proportional to 119,510.88, 179,272.80 and 60,277.20

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Solution

The fourth proportional to 119,510.88, 179,272.80 and 60,277.20 is: 90,419.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,510.88 : 179,272.80 = 60,277.20 : x
  2. Step 2: Convert to fraction form
    119,510.88/179,272.80 = 60,277.20/x
  3. Step 3: Cross multiply
    119,510.88x = 179,272.80 × 60,277.20
  4. Step 4: Simplify right side
    119,510.88x = 10,806,062,420.16
  5. Step 5: Solve for x
    x = 10,806,062,420.16/119,510.88
  6. Step 6: Final answer
    x = 90,419.07

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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.