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Finding the Fourth Proportional to 124,230.80, 186,126.60 and 120,119.60

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Solution

The fourth proportional to 124,230.80, 186,126.60 and 120,119.60 is: 179,967.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,230.80 : 186,126.60 = 120,119.60 : x
  2. Step 2: Convert to fraction form
    124,230.80/186,126.60 = 120,119.60/x
  3. Step 3: Cross multiply
    124,230.80x = 186,126.60 × 120,119.60
  4. Step 4: Simplify right side
    124,230.80x = 22,357,452,741.36
  5. Step 5: Solve for x
    x = 22,357,452,741.36/124,230.80
  6. Step 6: Final answer
    x = 179,967.07

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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.