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Finding the Fourth Proportional to 119,482.55, 179,113.05 and 52,887.18

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Solution

The fourth proportional to 119,482.55, 179,113.05 and 52,887.18 is: 79,281.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,482.55 : 179,113.05 = 52,887.18 : x
  2. Step 2: Convert to fraction form
    119,482.55/179,113.05 = 52,887.18/x
  3. Step 3: Cross multiply
    119,482.55x = 179,113.05 × 52,887.18
  4. Step 4: Simplify right side
    119,482.55x = 9,472,784,115.70
  5. Step 5: Solve for x
    x = 9,472,784,115.70/119,482.55
  6. Step 6: Final answer
    x = 79,281.74

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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.