Home / 163,616.40-245,315.25-132,065.28

Finding the Fourth Proportional to 163,616.40, 245,315.25 and 132,065.28

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Solution

The fourth proportional to 163,616.40, 245,315.25 and 132,065.28 is: 198,009.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,616.40 : 245,315.25 = 132,065.28 : x
  2. Step 2: Convert to fraction form
    163,616.40/245,315.25 = 132,065.28/x
  3. Step 3: Cross multiply
    163,616.40x = 245,315.25 × 132,065.28
  4. Step 4: Simplify right side
    163,616.40x = 32,397,627,179.52
  5. Step 5: Solve for x
    x = 32,397,627,179.52/163,616.40
  6. Step 6: Final answer
    x = 198,009.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.