Home / 102,313.32-141,214.15-68,759.88

Finding the Fourth Proportional to 102,313.32, 141,214.15 and 68,759.88

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Solution

The fourth proportional to 102,313.32, 141,214.15 and 68,759.88 is: 94,903.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,313.32 : 141,214.15 = 68,759.88 : x
  2. Step 2: Convert to fraction form
    102,313.32/141,214.15 = 68,759.88/x
  3. Step 3: Cross multiply
    102,313.32x = 141,214.15 × 68,759.88
  4. Step 4: Simplify right side
    102,313.32x = 9,709,868,008.30
  5. Step 5: Solve for x
    x = 9,709,868,008.30/102,313.32
  6. Step 6: Final answer
    x = 94,903.26

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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.