Home / 124,637.40-186,956.10-80,314.20

Finding the Fourth Proportional to 124,637.40, 186,956.10 and 80,314.20

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Solution

The fourth proportional to 124,637.40, 186,956.10 and 80,314.20 is: 120,471.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,637.40 : 186,956.10 = 80,314.20 : x
  2. Step 2: Convert to fraction form
    124,637.40/186,956.10 = 80,314.20/x
  3. Step 3: Cross multiply
    124,637.40x = 186,956.10 × 80,314.20
  4. Step 4: Simplify right side
    124,637.40x = 15,015,229,606.62
  5. Step 5: Solve for x
    x = 15,015,229,606.62/124,637.40
  6. Step 6: Final answer
    x = 120,471.30

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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.