Home / 60,125.64-90,159.30-20,668.92

Finding the Fourth Proportional to 60,125.64, 90,159.30 and 20,668.92

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Solution

The fourth proportional to 60,125.64, 90,159.30 and 20,668.92 is: 30,993.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,125.64 : 90,159.30 = 20,668.92 : x
  2. Step 2: Convert to fraction form
    60,125.64/90,159.30 = 20,668.92/x
  3. Step 3: Cross multiply
    60,125.64x = 90,159.30 × 20,668.92
  4. Step 4: Simplify right side
    60,125.64x = 1,863,495,358.96
  5. Step 5: Solve for x
    x = 1,863,495,358.96/60,125.64
  6. Step 6: Final answer
    x = 30,993.36

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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.