Home / 163,270.30-225,292.61-90,663.32

Finding the Fourth Proportional to 163,270.30, 225,292.61 and 90,663.32

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Solution

The fourth proportional to 163,270.30, 225,292.61 and 90,663.32 is: 125,104.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,270.30 : 225,292.61 = 90,663.32 : x
  2. Step 2: Convert to fraction form
    163,270.30/225,292.61 = 90,663.32/x
  3. Step 3: Cross multiply
    163,270.30x = 225,292.61 × 90,663.32
  4. Step 4: Simplify right side
    163,270.30x = 20,425,774,414.29
  5. Step 5: Solve for x
    x = 20,425,774,414.29/163,270.30
  6. Step 6: Final answer
    x = 125,104.04

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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.