Home / 170,345.43-234,923.90-106,689.15

Finding the Fourth Proportional to 170,345.43, 234,923.90 and 106,689.15

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Solution

The fourth proportional to 170,345.43, 234,923.90 and 106,689.15 is: 147,135.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,345.43 : 234,923.90 = 106,689.15 : x
  2. Step 2: Convert to fraction form
    170,345.43/234,923.90 = 106,689.15/x
  3. Step 3: Cross multiply
    170,345.43x = 234,923.90 × 106,689.15
  4. Step 4: Simplify right side
    170,345.43x = 25,063,830,672.24
  5. Step 5: Solve for x
    x = 25,063,830,672.24/170,345.43
  6. Step 6: Final answer
    x = 147,135.33

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1.5x scale

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.