Home / 102,510.30-153,771.92-43,338.18

Finding the Fourth Proportional to 102,510.30, 153,771.92 and 43,338.18

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Solution

The fourth proportional to 102,510.30, 153,771.92 and 43,338.18 is: 65,010.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,510.30 : 153,771.92 = 43,338.18 : x
  2. Step 2: Convert to fraction form
    102,510.30/153,771.92 = 43,338.18/x
  3. Step 3: Cross multiply
    102,510.30x = 153,771.92 × 43,338.18
  4. Step 4: Simplify right side
    102,510.30x = 6,664,195,147.91
  5. Step 5: Solve for x
    x = 6,664,195,147.91/102,510.30
  6. Step 6: Final answer
    x = 65,010.01

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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.