Home / 108,763.22-163,152.61-45,519.71

Finding the Fourth Proportional to 108,763.22, 163,152.61 and 45,519.71

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Solution

The fourth proportional to 108,763.22, 163,152.61 and 45,519.71 is: 68,282.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,763.22 : 163,152.61 = 45,519.71 : x
  2. Step 2: Convert to fraction form
    108,763.22/163,152.61 = 45,519.71/x
  3. Step 3: Cross multiply
    108,763.22x = 163,152.61 × 45,519.71
  4. Step 4: Simplify right side
    108,763.22x = 7,426,658,563.38
  5. Step 5: Solve for x
    x = 7,426,658,563.38/108,763.22
  6. Step 6: Final answer
    x = 68,282.81

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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.