Home / 154,051.28-230,659.48-80,023.76

Finding the Fourth Proportional to 154,051.28, 230,659.48 and 80,023.76

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Solution

The fourth proportional to 154,051.28, 230,659.48 and 80,023.76 is: 119,818.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,051.28 : 230,659.48 = 80,023.76 : x
  2. Step 2: Convert to fraction form
    154,051.28/230,659.48 = 80,023.76/x
  3. Step 3: Cross multiply
    154,051.28x = 230,659.48 × 80,023.76
  4. Step 4: Simplify right side
    154,051.28x = 18,458,238,869.24
  5. Step 5: Solve for x
    x = 18,458,238,869.24/154,051.28
  6. Step 6: Final answer
    x = 119,818.80

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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.