Home / 154,248.30-231,289.44-83,209.08

Finding the Fourth Proportional to 154,248.30, 231,289.44 and 83,209.08

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Solution

The fourth proportional to 154,248.30, 231,289.44 and 83,209.08 is: 124,768.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,248.30 : 231,289.44 = 83,209.08 : x
  2. Step 2: Convert to fraction form
    154,248.30/231,289.44 = 83,209.08/x
  3. Step 3: Cross multiply
    154,248.30x = 231,289.44 × 83,209.08
  4. Step 4: Simplify right side
    154,248.30x = 19,245,381,516.12
  5. Step 5: Solve for x
    x = 19,245,381,516.12/154,248.30
  6. Step 6: Final answer
    x = 124,768.84

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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.