Home / 170,721.80-235,609.14-94,255.64

Finding the Fourth Proportional to 170,721.80, 235,609.14 and 94,255.64

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Solution

The fourth proportional to 170,721.80, 235,609.14 and 94,255.64 is: 130,079.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,721.80 : 235,609.14 = 94,255.64 : x
  2. Step 2: Convert to fraction form
    170,721.80/235,609.14 = 94,255.64/x
  3. Step 3: Cross multiply
    170,721.80x = 235,609.14 × 94,255.64
  4. Step 4: Simplify right side
    170,721.80x = 22,207,490,280.55
  5. Step 5: Solve for x
    x = 22,207,490,280.55/170,721.80
  6. Step 6: Final answer
    x = 130,079.99

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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.