Home / 163,236.13-225,265.86-91,616.15

Finding the Fourth Proportional to 163,236.13, 225,265.86 and 91,616.15

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Solution

The fourth proportional to 163,236.13, 225,265.86 and 91,616.15 is: 126,430.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,236.13 : 225,265.86 = 91,616.15 : x
  2. Step 2: Convert to fraction form
    163,236.13/225,265.86 = 91,616.15/x
  3. Step 3: Cross multiply
    163,236.13x = 225,265.86 × 91,616.15
  4. Step 4: Simplify right side
    163,236.13x = 20,637,990,819.64
  5. Step 5: Solve for x
    x = 20,637,990,819.64/163,236.13
  6. Step 6: Final answer
    x = 126,430.29

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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.