Home / 60,147.12-90,231.68-20,162.16

Finding the Fourth Proportional to 60,147.12, 90,231.68 and 20,162.16

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Solution

The fourth proportional to 60,147.12, 90,231.68 and 20,162.16 is: 30,246.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,147.12 : 90,231.68 = 20,162.16 : x
  2. Step 2: Convert to fraction form
    60,147.12/90,231.68 = 20,162.16/x
  3. Step 3: Cross multiply
    60,147.12x = 90,231.68 × 20,162.16
  4. Step 4: Simplify right side
    60,147.12x = 1,819,265,569.23
  5. Step 5: Solve for x
    x = 1,819,265,569.23/60,147.12
  6. Step 6: Final answer
    x = 30,246.93

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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.