Home / 156,229.66-215,435.69-133,643.42

Finding the Fourth Proportional to 156,229.66, 215,435.69 and 133,643.42

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Solution

The fourth proportional to 156,229.66, 215,435.69 and 133,643.42 is: 184,289.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,229.66 : 215,435.69 = 133,643.42 : x
  2. Step 2: Convert to fraction form
    156,229.66/215,435.69 = 133,643.42/x
  3. Step 3: Cross multiply
    156,229.66x = 215,435.69 × 133,643.42
  4. Step 4: Simplify right side
    156,229.66x = 28,791,560,656.26
  5. Step 5: Solve for x
    x = 28,791,560,656.26/156,229.66
  6. Step 6: Final answer
    x = 184,289.98

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1.5x scale

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.