Home / 124,529.20-186,793.80-102,659.20

Finding the Fourth Proportional to 124,529.20, 186,793.80 and 102,659.20

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Solution

The fourth proportional to 124,529.20, 186,793.80 and 102,659.20 is: 153,988.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,529.20 : 186,793.80 = 102,659.20 : x
  2. Step 2: Convert to fraction form
    124,529.20/186,793.80 = 102,659.20/x
  3. Step 3: Cross multiply
    124,529.20x = 186,793.80 × 102,659.20
  4. Step 4: Simplify right side
    124,529.20x = 19,176,102,072.96
  5. Step 5: Solve for x
    x = 19,176,102,072.96/124,529.20
  6. Step 6: Final answer
    x = 153,988.80

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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.