Home / 136,166.40-204,235.20-42,667.20

Finding the Fourth Proportional to 136,166.40, 204,235.20 and 42,667.20

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Solution

The fourth proportional to 136,166.40, 204,235.20 and 42,667.20 is: 63,996.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,166.40 : 204,235.20 = 42,667.20 : x
  2. Step 2: Convert to fraction form
    136,166.40/204,235.20 = 42,667.20/x
  3. Step 3: Cross multiply
    136,166.40x = 204,235.20 × 42,667.20
  4. Step 4: Simplify right side
    136,166.40x = 8,714,144,125.44
  5. Step 5: Solve for x
    x = 8,714,144,125.44/136,166.40
  6. Step 6: Final answer
    x = 63,996.29

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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.