Home / 156,164.32-215,507.87-84,544.53

Finding the Fourth Proportional to 156,164.32, 215,507.87 and 84,544.53

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Solution

The fourth proportional to 156,164.32, 215,507.87 and 84,544.53 is: 116,672.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,164.32 : 215,507.87 = 84,544.53 : x
  2. Step 2: Convert to fraction form
    156,164.32/215,507.87 = 84,544.53/x
  3. Step 3: Cross multiply
    156,164.32x = 215,507.87 × 84,544.53
  4. Step 4: Simplify right side
    156,164.32x = 18,220,011,580.45
  5. Step 5: Solve for x
    x = 18,220,011,580.45/156,164.32
  6. Step 6: Final answer
    x = 116,672.05

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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.