Home / 163,590.71-245,517.28-84,727.49

Finding the Fourth Proportional to 163,590.71, 245,517.28 and 84,727.49

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Solution

The fourth proportional to 163,590.71, 245,517.28 and 84,727.49 is: 127,159.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,590.71 : 245,517.28 = 84,727.49 : x
  2. Step 2: Convert to fraction form
    163,590.71/245,517.28 = 84,727.49/x
  3. Step 3: Cross multiply
    163,590.71x = 245,517.28 × 84,727.49
  4. Step 4: Simplify right side
    163,590.71x = 20,802,061,446.62
  5. Step 5: Solve for x
    x = 20,802,061,446.62/163,590.71
  6. Step 6: Final answer
    x = 127,159.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.