Home / 60,148.12-90,233.18-20,163.16

Finding the Fourth Proportional to 60,148.12, 90,233.18 and 20,163.16

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Solution

The fourth proportional to 60,148.12, 90,233.18 and 20,163.16 is: 30,248.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,148.12 : 90,233.18 = 20,163.16 : x
  2. Step 2: Convert to fraction form
    60,148.12/90,233.18 = 20,163.16/x
  3. Step 3: Cross multiply
    60,148.12x = 90,233.18 × 20,163.16
  4. Step 4: Simplify right side
    60,148.12x = 1,819,386,045.65
  5. Step 5: Solve for x
    x = 1,819,386,045.65/60,148.12
  6. Step 6: Final answer
    x = 30,248.43

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1.5x scale

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.