Home / 156,725.80-216,278.58-88,737.64

Finding the Fourth Proportional to 156,725.80, 216,278.58 and 88,737.64

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Solution

The fourth proportional to 156,725.80, 216,278.58 and 88,737.64 is: 122,456.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,725.80 : 216,278.58 = 88,737.64 : x
  2. Step 2: Convert to fraction form
    156,725.80/216,278.58 = 88,737.64/x
  3. Step 3: Cross multiply
    156,725.80x = 216,278.58 × 88,737.64
  4. Step 4: Simplify right side
    156,725.80x = 19,192,050,771.75
  5. Step 5: Solve for x
    x = 19,192,050,771.75/156,725.80
  6. Step 6: Final answer
    x = 122,456.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.