Home / 163,742.34-225,948.42-92,120.82

Finding the Fourth Proportional to 163,742.34, 225,948.42 and 92,120.82

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Solution

The fourth proportional to 163,742.34, 225,948.42 and 92,120.82 is: 127,117.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,742.34 : 225,948.42 = 92,120.82 : x
  2. Step 2: Convert to fraction form
    163,742.34/225,948.42 = 92,120.82/x
  3. Step 3: Cross multiply
    163,742.34x = 225,948.42 × 92,120.82
  4. Step 4: Simplify right side
    163,742.34x = 20,814,553,728.10
  5. Step 5: Solve for x
    x = 20,814,553,728.10/163,742.34
  6. Step 6: Final answer
    x = 127,117.72

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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.