Home / 151,020.30-208,408.80-83,041.65

Finding the Fourth Proportional to 151,020.30, 208,408.80 and 83,041.65

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Solution

The fourth proportional to 151,020.30, 208,408.80 and 83,041.65 is: 114,597.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,020.30 : 208,408.80 = 83,041.65 : x
  2. Step 2: Convert to fraction form
    151,020.30/208,408.80 = 83,041.65/x
  3. Step 3: Cross multiply
    151,020.30x = 208,408.80 × 83,041.65
  4. Step 4: Simplify right side
    151,020.30x = 17,306,610,626.52
  5. Step 5: Solve for x
    x = 17,306,610,626.52/151,020.30
  6. Step 6: Final answer
    x = 114,597.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.