Home / 156,947.80-235,421.70-136,211.80

Finding the Fourth Proportional to 156,947.80, 235,421.70 and 136,211.80

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Solution

The fourth proportional to 156,947.80, 235,421.70 and 136,211.80 is: 204,317.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,947.80 : 235,421.70 = 136,211.80 : x
  2. Step 2: Convert to fraction form
    156,947.80/235,421.70 = 136,211.80/x
  3. Step 3: Cross multiply
    156,947.80x = 235,421.70 × 136,211.80
  4. Step 4: Simplify right side
    156,947.80x = 32,067,213,516.06
  5. Step 5: Solve for x
    x = 32,067,213,516.06/156,947.80
  6. Step 6: Final answer
    x = 204,317.70

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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.