Home / 75,344.12-113,192.64-71,088.50

Finding the Fourth Proportional to 75,344.12, 113,192.64 and 71,088.50

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Solution

The fourth proportional to 75,344.12, 113,192.64 and 71,088.50 is: 106,799.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,344.12 : 113,192.64 = 71,088.50 : x
  2. Step 2: Convert to fraction form
    75,344.12/113,192.64 = 71,088.50/x
  3. Step 3: Cross multiply
    75,344.12x = 113,192.64 × 71,088.50
  4. Step 4: Simplify right side
    75,344.12x = 8,046,694,988.64
  5. Step 5: Solve for x
    x = 8,046,694,988.64/75,344.12
  6. Step 6: Final answer
    x = 106,799.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.