Home / 156,546.03-215,871.15-133,959.78

Finding the Fourth Proportional to 156,546.03, 215,871.15 and 133,959.78

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Solution

The fourth proportional to 156,546.03, 215,871.15 and 133,959.78 is: 184,725.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,546.03 : 215,871.15 = 133,959.78 : x
  2. Step 2: Convert to fraction form
    156,546.03/215,871.15 = 133,959.78/x
  3. Step 3: Cross multiply
    156,546.03x = 215,871.15 × 133,959.78
  4. Step 4: Simplify right side
    156,546.03x = 28,918,051,762.35
  5. Step 5: Solve for x
    x = 28,918,051,762.35/156,546.03
  6. Step 6: Final answer
    x = 184,725.55

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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.