Home / 136,748.65-205,016.76-88,615.58

Finding the Fourth Proportional to 136,748.65, 205,016.76 and 88,615.58

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Solution

The fourth proportional to 136,748.65, 205,016.76 and 88,615.58 is: 132,854.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,748.65 : 205,016.76 = 88,615.58 : x
  2. Step 2: Convert to fraction form
    136,748.65/205,016.76 = 88,615.58/x
  3. Step 3: Cross multiply
    136,748.65x = 205,016.76 × 88,615.58
  4. Step 4: Simplify right side
    136,748.65x = 18,167,678,072.04
  5. Step 5: Solve for x
    x = 18,167,678,072.04/136,748.65
  6. Step 6: Final answer
    x = 132,854.54

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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.