Home / 113,733.81-156,921.16-73,449.27

Finding the Fourth Proportional to 113,733.81, 156,921.16 and 73,449.27

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Solution

The fourth proportional to 113,733.81, 156,921.16 and 73,449.27 is: 101,339.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,733.81 : 156,921.16 = 73,449.27 : x
  2. Step 2: Convert to fraction form
    113,733.81/156,921.16 = 73,449.27/x
  3. Step 3: Cross multiply
    113,733.81x = 156,921.16 × 73,449.27
  4. Step 4: Simplify right side
    113,733.81x = 11,525,744,649.55
  5. Step 5: Solve for x
    x = 11,525,744,649.55/113,733.81
  6. Step 6: Final answer
    x = 101,339.65

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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.