Home / 136,002.96-187,618.68-88,271.28

Finding the Fourth Proportional to 136,002.96, 187,618.68 and 88,271.28

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Solution

The fourth proportional to 136,002.96, 187,618.68 and 88,271.28 is: 121,771.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,002.96 : 187,618.68 = 88,271.28 : x
  2. Step 2: Convert to fraction form
    136,002.96/187,618.68 = 88,271.28/x
  3. Step 3: Cross multiply
    136,002.96x = 187,618.68 × 88,271.28
  4. Step 4: Simplify right side
    136,002.96x = 16,561,341,035.51
  5. Step 5: Solve for x
    x = 16,561,341,035.51/136,002.96
  6. Step 6: Final answer
    x = 121,771.92

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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.