Home / 113,542.21-156,794.23-71,174.55

Finding the Fourth Proportional to 113,542.21, 156,794.23 and 71,174.55

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Solution

The fourth proportional to 113,542.21, 156,794.23 and 71,174.55 is: 98,287.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,542.21 : 156,794.23 = 71,174.55 : x
  2. Step 2: Convert to fraction form
    113,542.21/156,794.23 = 71,174.55/x
  3. Step 3: Cross multiply
    113,542.21x = 156,794.23 × 71,174.55
  4. Step 4: Simplify right side
    113,542.21x = 11,159,758,557.83
  5. Step 5: Solve for x
    x = 11,159,758,557.83/113,542.21
  6. Step 6: Final answer
    x = 98,287.32

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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.