Home / 113,974.38-157,284.55-63,673.38

Finding the Fourth Proportional to 113,974.38, 157,284.55 and 63,673.38

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Solution

The fourth proportional to 113,974.38, 157,284.55 and 63,673.38 is: 87,869.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,974.38 : 157,284.55 = 63,673.38 : x
  2. Step 2: Convert to fraction form
    113,974.38/157,284.55 = 63,673.38/x
  3. Step 3: Cross multiply
    113,974.38x = 157,284.55 × 63,673.38
  4. Step 4: Simplify right side
    113,974.38x = 10,014,838,920.28
  5. Step 5: Solve for x
    x = 10,014,838,920.28/113,974.38
  6. Step 6: Final answer
    x = 87,869.21

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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.