Home / 91,155.39-136,536.21-88,924.65

Finding the Fourth Proportional to 91,155.39, 136,536.21 and 88,924.65

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Solution

The fourth proportional to 91,155.39, 136,536.21 and 88,924.65 is: 133,194.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,155.39 : 136,536.21 = 88,924.65 : x
  2. Step 2: Convert to fraction form
    91,155.39/136,536.21 = 88,924.65/x
  3. Step 3: Cross multiply
    91,155.39x = 136,536.21 × 88,924.65
  4. Step 4: Simplify right side
    91,155.39x = 12,141,434,686.58
  5. Step 5: Solve for x
    x = 12,141,434,686.58/91,155.39
  6. Step 6: Final answer
    x = 133,194.92

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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.