Home / 40,119.12-60,136-15,148.54

Finding the Fourth Proportional to 40,119.12, 60,136 and 15,148.54

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Solution

The fourth proportional to 40,119.12, 60,136 and 15,148.54 is: 22,706.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,119.12 : 60,136 = 15,148.54 : x
  2. Step 2: Convert to fraction form
    40,119.12/60,136 = 15,148.54/x
  3. Step 3: Cross multiply
    40,119.12x = 60,136 × 15,148.54
  4. Step 4: Simplify right side
    40,119.12x = 910,972,601.44
  5. Step 5: Solve for x
    x = 910,972,601.44/40,119.12
  6. Step 6: Final answer
    x = 22,706.69

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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.