Home / 102,314.32-141,215.53-68,760.88

Finding the Fourth Proportional to 102,314.32, 141,215.53 and 68,760.88

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Solution

The fourth proportional to 102,314.32, 141,215.53 and 68,760.88 is: 94,904.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,314.32 : 141,215.53 = 68,760.88 : x
  2. Step 2: Convert to fraction form
    102,314.32/141,215.53 = 68,760.88/x
  3. Step 3: Cross multiply
    102,314.32x = 141,215.53 × 68,760.88
  4. Step 4: Simplify right side
    102,314.32x = 9,710,104,112.47
  5. Step 5: Solve for x
    x = 9,710,104,112.47/102,314.32
  6. Step 6: Final answer
    x = 94,904.64

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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.