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Finding the Fourth Proportional to 99,757.44, 148,549.79 and 98,653

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Solution

The fourth proportional to 99,757.44, 148,549.79 and 98,653 is: 146,905.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,757.44 : 148,549.79 = 98,653 : x
  2. Step 2: Convert to fraction form
    99,757.44/148,549.79 = 98,653/x
  3. Step 3: Cross multiply
    99,757.44x = 148,549.79 × 98,653
  4. Step 4: Simplify right side
    99,757.44x = 14,654,882,432.87
  5. Step 5: Solve for x
    x = 14,654,882,432.87/99,757.44
  6. Step 6: Final answer
    x = 146,905.16

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1.5x scale

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.