Home / 124,109.12-186,175.20-50,242.88

Finding the Fourth Proportional to 124,109.12, 186,175.20 and 50,242.88

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Solution

The fourth proportional to 124,109.12, 186,175.20 and 50,242.88 is: 75,368.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,109.12 : 186,175.20 = 50,242.88 : x
  2. Step 2: Convert to fraction form
    124,109.12/186,175.20 = 50,242.88/x
  3. Step 3: Cross multiply
    124,109.12x = 186,175.20 × 50,242.88
  4. Step 4: Simplify right side
    124,109.12x = 9,353,978,232.58
  5. Step 5: Solve for x
    x = 9,353,978,232.58/124,109.12
  6. Step 6: Final answer
    x = 75,368.98

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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.