Home / 156,741.04-216,156.36-120,873.52

Finding the Fourth Proportional to 156,741.04, 216,156.36 and 120,873.52

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Solution

The fourth proportional to 156,741.04, 216,156.36 and 120,873.52 is: 166,692.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,741.04 : 216,156.36 = 120,873.52 : x
  2. Step 2: Convert to fraction form
    156,741.04/216,156.36 = 120,873.52/x
  3. Step 3: Cross multiply
    156,741.04x = 216,156.36 × 120,873.52
  4. Step 4: Simplify right side
    156,741.04x = 26,127,580,103.59
  5. Step 5: Solve for x
    x = 26,127,580,103.59/156,741.04
  6. Step 6: Final answer
    x = 166,692.65

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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.