Home / 162,191.26-242,947.86-130,429.85

Finding the Fourth Proportional to 162,191.26, 242,947.86 and 130,429.85

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Solution

The fourth proportional to 162,191.26, 242,947.86 and 130,429.85 is: 195,372.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,191.26 : 242,947.86 = 130,429.85 : x
  2. Step 2: Convert to fraction form
    162,191.26/242,947.86 = 130,429.85/x
  3. Step 3: Cross multiply
    162,191.26x = 242,947.86 × 130,429.85
  4. Step 4: Simplify right side
    162,191.26x = 31,687,651,233.77
  5. Step 5: Solve for x
    x = 31,687,651,233.77/162,191.26
  6. Step 6: Final answer
    x = 195,372.12

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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.