Home / 126,278.32-174,258.62-68,916.18

Finding the Fourth Proportional to 126,278.32, 174,258.62 and 68,916.18

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Solution

The fourth proportional to 126,278.32, 174,258.62 and 68,916.18 is: 95,101.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,278.32 : 174,258.62 = 68,916.18 : x
  2. Step 2: Convert to fraction form
    126,278.32/174,258.62 = 68,916.18/x
  3. Step 3: Cross multiply
    126,278.32x = 174,258.62 × 68,916.18
  4. Step 4: Simplify right side
    126,278.32x = 12,009,238,422.47
  5. Step 5: Solve for x
    x = 12,009,238,422.47/126,278.32
  6. Step 6: Final answer
    x = 95,101.35

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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.