Home / 124,624.40-186,936.60-80,301.20

Finding the Fourth Proportional to 124,624.40, 186,936.60 and 80,301.20

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Solution

The fourth proportional to 124,624.40, 186,936.60 and 80,301.20 is: 120,451.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,624.40 : 186,936.60 = 80,301.20 : x
  2. Step 2: Convert to fraction form
    124,624.40/186,936.60 = 80,301.20/x
  3. Step 3: Cross multiply
    124,624.40x = 186,936.60 × 80,301.20
  4. Step 4: Simplify right side
    124,624.40x = 15,011,233,303.92
  5. Step 5: Solve for x
    x = 15,011,233,303.92/124,624.40
  6. Step 6: Final answer
    x = 120,451.80

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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.