Home / 254,373.04-381,555.60-86,011.61

Finding the Fourth Proportional to 254,373.04, 381,555.60 and 86,011.61

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Solution

The fourth proportional to 254,373.04, 381,555.60 and 86,011.61 is: 129,016.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,373.04 : 381,555.60 = 86,011.61 : x
  2. Step 2: Convert to fraction form
    254,373.04/381,555.60 = 86,011.61/x
  3. Step 3: Cross multiply
    254,373.04x = 381,555.60 × 86,011.61
  4. Step 4: Simplify right side
    254,373.04x = 32,818,209,230.19
  5. Step 5: Solve for x
    x = 32,818,209,230.19/254,373.04
  6. Step 6: Final answer
    x = 129,016.07

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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.