Home / 156,736.27-216,330.48-103,026.28

Finding the Fourth Proportional to 156,736.27, 216,330.48 and 103,026.28

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Solution

The fourth proportional to 156,736.27, 216,330.48 and 103,026.28 is: 142,198.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,736.27 : 216,330.48 = 103,026.28 : x
  2. Step 2: Convert to fraction form
    156,736.27/216,330.48 = 103,026.28/x
  3. Step 3: Cross multiply
    156,736.27x = 216,330.48 × 103,026.28
  4. Step 4: Simplify right side
    156,736.27x = 22,287,724,605.01
  5. Step 5: Solve for x
    x = 22,287,724,605.01/156,736.27
  6. Step 6: Final answer
    x = 142,198.90

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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.