Home / 126,785.32-174,963.14-68,642.10

Finding the Fourth Proportional to 126,785.32, 174,963.14 and 68,642.10

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Solution

The fourth proportional to 126,785.32, 174,963.14 and 68,642.10 is: 94,725.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,785.32 : 174,963.14 = 68,642.10 : x
  2. Step 2: Convert to fraction form
    126,785.32/174,963.14 = 68,642.10/x
  3. Step 3: Cross multiply
    126,785.32x = 174,963.14 × 68,642.10
  4. Step 4: Simplify right side
    126,785.32x = 12,009,837,352.19
  5. Step 5: Solve for x
    x = 12,009,837,352.19/126,785.32
  6. Step 6: Final answer
    x = 94,725.77

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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.