Home / 115,154.70-158,925.20-64,175.73

Finding the Fourth Proportional to 115,154.70, 158,925.20 and 64,175.73

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Solution

The fourth proportional to 115,154.70, 158,925.20 and 64,175.73 is: 88,569.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,154.70 : 158,925.20 = 64,175.73 : x
  2. Step 2: Convert to fraction form
    115,154.70/158,925.20 = 64,175.73/x
  3. Step 3: Cross multiply
    115,154.70x = 158,925.20 × 64,175.73
  4. Step 4: Simplify right side
    115,154.70x = 10,199,140,404.52
  5. Step 5: Solve for x
    x = 10,199,140,404.52/115,154.70
  6. Step 6: Final answer
    x = 88,569.03

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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.