Home / 163,335.15-225,386.82-91,698.75

Finding the Fourth Proportional to 163,335.15, 225,386.82 and 91,698.75

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Solution

The fourth proportional to 163,335.15, 225,386.82 and 91,698.75 is: 126,535.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,335.15 : 225,386.82 = 91,698.75 : x
  2. Step 2: Convert to fraction form
    163,335.15/225,386.82 = 91,698.75/x
  3. Step 3: Cross multiply
    163,335.15x = 225,386.82 × 91,698.75
  4. Step 4: Simplify right side
    163,335.15x = 20,667,689,660.48
  5. Step 5: Solve for x
    x = 20,667,689,660.48/163,335.15
  6. Step 6: Final answer
    x = 126,535.47

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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.