Home / 102,549.75-153,805.16-43,426.94

Finding the Fourth Proportional to 102,549.75, 153,805.16 and 43,426.94

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Solution

The fourth proportional to 102,549.75, 153,805.16 and 43,426.94 is: 65,132.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,549.75 : 153,805.16 = 43,426.94 : x
  2. Step 2: Convert to fraction form
    102,549.75/153,805.16 = 43,426.94/x
  3. Step 3: Cross multiply
    102,549.75x = 153,805.16 × 43,426.94
  4. Step 4: Simplify right side
    102,549.75x = 6,679,286,794.55
  5. Step 5: Solve for x
    x = 6,679,286,794.55/102,549.75
  6. Step 6: Final answer
    x = 65,132.16

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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.