Home / 102,314.07-141,215.18-68,760.63

Finding the Fourth Proportional to 102,314.07, 141,215.18 and 68,760.63

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Solution

The fourth proportional to 102,314.07, 141,215.18 and 68,760.63 is: 94,904.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,314.07 : 141,215.18 = 68,760.63 : x
  2. Step 2: Convert to fraction form
    102,314.07/141,215.18 = 68,760.63/x
  3. Step 3: Cross multiply
    102,314.07x = 141,215.18 × 68,760.63
  4. Step 4: Simplify right side
    102,314.07x = 9,710,044,742.36
  5. Step 5: Solve for x
    x = 9,710,044,742.36/102,314.07
  6. Step 6: Final answer
    x = 94,904.30

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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.