Home / 113,502.12-156,580.32-73,228.74

Finding the Fourth Proportional to 113,502.12, 156,580.32 and 73,228.74

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Solution

The fourth proportional to 113,502.12, 156,580.32 and 73,228.74 is: 101,021.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,502.12 : 156,580.32 = 73,228.74 : x
  2. Step 2: Convert to fraction form
    113,502.12/156,580.32 = 73,228.74/x
  3. Step 3: Cross multiply
    113,502.12x = 156,580.32 × 73,228.74
  4. Step 4: Simplify right side
    113,502.12x = 11,466,179,542.40
  5. Step 5: Solve for x
    x = 11,466,179,542.40/113,502.12
  6. Step 6: Final answer
    x = 101,021.72

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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.