Home / 102,842.08-141,880.20-67,019.04

Finding the Fourth Proportional to 102,842.08, 141,880.20 and 67,019.04

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Solution

The fourth proportional to 102,842.08, 141,880.20 and 67,019.04 is: 92,458.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,842.08 : 141,880.20 = 67,019.04 : x
  2. Step 2: Convert to fraction form
    102,842.08/141,880.20 = 67,019.04/x
  3. Step 3: Cross multiply
    102,842.08x = 141,880.20 × 67,019.04
  4. Step 4: Simplify right side
    102,842.08x = 9,508,674,799.01
  5. Step 5: Solve for x
    x = 9,508,674,799.01/102,842.08
  6. Step 6: Final answer
    x = 92,458.99

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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.