Home / 102,512.48-141,476.96-64,278.08

Finding the Fourth Proportional to 102,512.48, 141,476.96 and 64,278.08

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Solution

The fourth proportional to 102,512.48, 141,476.96 and 64,278.08 is: 88,709.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,512.48 : 141,476.96 = 64,278.08 : x
  2. Step 2: Convert to fraction form
    102,512.48/141,476.96 = 64,278.08/x
  3. Step 3: Cross multiply
    102,512.48x = 141,476.96 × 64,278.08
  4. Step 4: Simplify right side
    102,512.48x = 9,093,867,353.04
  5. Step 5: Solve for x
    x = 9,093,867,353.04/102,512.48
  6. Step 6: Final answer
    x = 88,709.86

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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.