Home / 163,285.46-225,331.95-91,663.64

Finding the Fourth Proportional to 163,285.46, 225,331.95 and 91,663.64

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Solution

The fourth proportional to 163,285.46, 225,331.95 and 91,663.64 is: 126,494.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,285.46 : 225,331.95 = 91,663.64 : x
  2. Step 2: Convert to fraction form
    163,285.46/225,331.95 = 91,663.64/x
  3. Step 3: Cross multiply
    163,285.46x = 225,331.95 × 91,663.64
  4. Step 4: Simplify right side
    163,285.46x = 20,654,745,160.32
  5. Step 5: Solve for x
    x = 20,654,745,160.32/163,285.46
  6. Step 6: Final answer
    x = 126,494.70

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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.