Home / 136,749.40-205,017.89-88,616.33

Finding the Fourth Proportional to 136,749.40, 205,017.89 and 88,616.33

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Solution

The fourth proportional to 136,749.40, 205,017.89 and 88,616.33 is: 132,855.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,749.40 : 205,017.89 = 88,616.33 : x
  2. Step 2: Convert to fraction form
    136,749.40/205,017.89 = 88,616.33/x
  3. Step 3: Cross multiply
    136,749.40x = 205,017.89 × 88,616.33
  4. Step 4: Simplify right side
    136,749.40x = 18,167,931,527.97
  5. Step 5: Solve for x
    x = 18,167,931,527.97/136,749.40
  6. Step 6: Final answer
    x = 132,855.66

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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.