Home / 209,333.92-288,988.06-141,708.64

Finding the Fourth Proportional to 209,333.92, 288,988.06 and 141,708.64

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Solution

The fourth proportional to 209,333.92, 288,988.06 and 141,708.64 is: 195,630.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,333.92 : 288,988.06 = 141,708.64 : x
  2. Step 2: Convert to fraction form
    209,333.92/288,988.06 = 141,708.64/x
  3. Step 3: Cross multiply
    209,333.92x = 288,988.06 × 141,708.64
  4. Step 4: Simplify right side
    209,333.92x = 40,952,103,513.90
  5. Step 5: Solve for x
    x = 40,952,103,513.90/209,333.92
  6. Step 6: Final answer
    x = 195,630.52

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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.