Home / 40,106.29-60,159.27-10,120.60

Finding the Fourth Proportional to 40,106.29, 60,159.27 and 10,120.60

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Solution

The fourth proportional to 40,106.29, 60,159.27 and 10,120.60 is: 15,180.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,106.29 : 60,159.27 = 10,120.60 : x
  2. Step 2: Convert to fraction form
    40,106.29/60,159.27 = 10,120.60/x
  3. Step 3: Cross multiply
    40,106.29x = 60,159.27 × 10,120.60
  4. Step 4: Simplify right side
    40,106.29x = 608,847,640.02
  5. Step 5: Solve for x
    x = 608,847,640.02/40,106.29
  6. Step 6: Final answer
    x = 15,180.85

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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.