Home / 126,785.32-174,963.13-68,642.09

Finding the Fourth Proportional to 126,785.32, 174,963.13 and 68,642.09

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Solution

The fourth proportional to 126,785.32, 174,963.13 and 68,642.09 is: 94,725.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,785.32 : 174,963.13 = 68,642.09 : x
  2. Step 2: Convert to fraction form
    126,785.32/174,963.13 = 68,642.09/x
  3. Step 3: Cross multiply
    126,785.32x = 174,963.13 × 68,642.09
  4. Step 4: Simplify right side
    126,785.32x = 12,009,834,916.14
  5. Step 5: Solve for x
    x = 12,009,834,916.14/126,785.32
  6. Step 6: Final answer
    x = 94,725.75

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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.