Home / 98,286.65-147,439.55-39,108.48

Finding the Fourth Proportional to 98,286.65, 147,439.55 and 39,108.48

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Solution

The fourth proportional to 98,286.65, 147,439.55 and 39,108.48 is: 58,666.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,286.65 : 147,439.55 = 39,108.48 : x
  2. Step 2: Convert to fraction form
    98,286.65/147,439.55 = 39,108.48/x
  3. Step 3: Cross multiply
    98,286.65x = 147,439.55 × 39,108.48
  4. Step 4: Simplify right side
    98,286.65x = 5,766,136,496.84
  5. Step 5: Solve for x
    x = 5,766,136,496.84/98,286.65
  6. Step 6: Final answer
    x = 58,666.53

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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.