Home / 163,116.24-225,110.70-91,500.72

Finding the Fourth Proportional to 163,116.24, 225,110.70 and 91,500.72

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Solution

The fourth proportional to 163,116.24, 225,110.70 and 91,500.72 is: 126,276.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,116.24 : 225,110.70 = 91,500.72 : x
  2. Step 2: Convert to fraction form
    163,116.24/225,110.70 = 91,500.72/x
  3. Step 3: Cross multiply
    163,116.24x = 225,110.70 × 91,500.72
  4. Step 4: Simplify right side
    163,116.24x = 20,597,791,129.70
  5. Step 5: Solve for x
    x = 20,597,791,129.70/163,116.24
  6. Step 6: Final answer
    x = 126,276.77

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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.