Home / 126,215.14-174,180.51-69,630.16

Finding the Fourth Proportional to 126,215.14, 174,180.51 and 69,630.16

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Solution

The fourth proportional to 126,215.14, 174,180.51 and 69,630.16 is: 96,091.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,215.14 : 174,180.51 = 69,630.16 : x
  2. Step 2: Convert to fraction form
    126,215.14/174,180.51 = 69,630.16/x
  3. Step 3: Cross multiply
    126,215.14x = 174,180.51 × 69,630.16
  4. Step 4: Simplify right side
    126,215.14x = 12,128,216,780.18
  5. Step 5: Solve for x
    x = 12,128,216,780.18/126,215.14
  6. Step 6: Final answer
    x = 96,091.62

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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.