Home / 196,210.29-270,737.61-115,626.86

Finding the Fourth Proportional to 196,210.29, 270,737.61 and 115,626.86

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Solution

The fourth proportional to 196,210.29, 270,737.61 and 115,626.86 is: 159,545.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,210.29 : 270,737.61 = 115,626.86 : x
  2. Step 2: Convert to fraction form
    196,210.29/270,737.61 = 115,626.86/x
  3. Step 3: Cross multiply
    196,210.29x = 270,737.61 × 115,626.86
  4. Step 4: Simplify right side
    196,210.29x = 31,304,540,502.87
  5. Step 5: Solve for x
    x = 31,304,540,502.87/196,210.29
  6. Step 6: Final answer
    x = 159,545.86

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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.