Home / 113,495.53-156,638.85-73,326.15

Finding the Fourth Proportional to 113,495.53, 156,638.85 and 73,326.15

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Solution

The fourth proportional to 113,495.53, 156,638.85 and 73,326.15 is: 101,199.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,495.53 : 156,638.85 = 73,326.15 : x
  2. Step 2: Convert to fraction form
    113,495.53/156,638.85 = 73,326.15/x
  3. Step 3: Cross multiply
    113,495.53x = 156,638.85 × 73,326.15
  4. Step 4: Simplify right side
    113,495.53x = 11,485,723,810.93
  5. Step 5: Solve for x
    x = 11,485,723,810.93/113,495.53
  6. Step 6: Final answer
    x = 101,199.79

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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.