Home / 171,318.65-236,446.97-103,345.40

Finding the Fourth Proportional to 171,318.65, 236,446.97 and 103,345.40

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Solution

The fourth proportional to 171,318.65, 236,446.97 and 103,345.40 is: 142,633.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,318.65 : 236,446.97 = 103,345.40 : x
  2. Step 2: Convert to fraction form
    171,318.65/236,446.97 = 103,345.40/x
  3. Step 3: Cross multiply
    171,318.65x = 236,446.97 × 103,345.40
  4. Step 4: Simplify right side
    171,318.65x = 24,435,706,767.83
  5. Step 5: Solve for x
    x = 24,435,706,767.83/171,318.65
  6. Step 6: Final answer
    x = 142,633.08

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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.