Home / 102,868.22-153,618.78-101,754.90

Finding the Fourth Proportional to 102,868.22, 153,618.78 and 101,754.90

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Solution

The fourth proportional to 102,868.22, 153,618.78 and 101,754.90 is: 151,956.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,868.22 : 153,618.78 = 101,754.90 : x
  2. Step 2: Convert to fraction form
    102,868.22/153,618.78 = 101,754.90/x
  3. Step 3: Cross multiply
    102,868.22x = 153,618.78 × 101,754.90
  4. Step 4: Simplify right side
    102,868.22x = 15,631,463,597.02
  5. Step 5: Solve for x
    x = 15,631,463,597.02/102,868.22
  6. Step 6: Final answer
    x = 151,956.20

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.