Home / 170,435.32-235,625.89-127,920.04

Finding the Fourth Proportional to 170,435.32, 235,625.89 and 127,920.04

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Solution

The fourth proportional to 170,435.32, 235,625.89 and 127,920.04 is: 176,848.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,435.32 : 235,625.89 = 127,920.04 : x
  2. Step 2: Convert to fraction form
    170,435.32/235,625.89 = 127,920.04/x
  3. Step 3: Cross multiply
    170,435.32x = 235,625.89 × 127,920.04
  4. Step 4: Simplify right side
    170,435.32x = 30,141,273,273.84
  5. Step 5: Solve for x
    x = 30,141,273,273.84/170,435.32
  6. Step 6: Final answer
    x = 176,848.75

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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.