Home / 163,051.20-225,010.69-91,431.27

Finding the Fourth Proportional to 163,051.20, 225,010.69 and 91,431.27

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Solution

The fourth proportional to 163,051.20, 225,010.69 and 91,431.27 is: 126,175.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,051.20 : 225,010.69 = 91,431.27 : x
  2. Step 2: Convert to fraction form
    163,051.20/225,010.69 = 91,431.27/x
  3. Step 3: Cross multiply
    163,051.20x = 225,010.69 × 91,431.27
  4. Step 4: Simplify right side
    163,051.20x = 20,573,012,921.70
  5. Step 5: Solve for x
    x = 20,573,012,921.70/163,051.20
  6. Step 6: Final answer
    x = 126,175.17

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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.