Home / 170,073.71-234,623.18-109,663.75

Finding the Fourth Proportional to 170,073.71, 234,623.18 and 109,663.75

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Solution

The fourth proportional to 170,073.71, 234,623.18 and 109,663.75 is: 151,285.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,073.71 : 234,623.18 = 109,663.75 : x
  2. Step 2: Convert to fraction form
    170,073.71/234,623.18 = 109,663.75/x
  3. Step 3: Cross multiply
    170,073.71x = 234,623.18 × 109,663.75
  4. Step 4: Simplify right side
    170,073.71x = 25,729,657,443.33
  5. Step 5: Solve for x
    x = 25,729,657,443.33/170,073.71
  6. Step 6: Final answer
    x = 151,285.34

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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.