Home / 115,310.79-173,043.14-40,430.88

Finding the Fourth Proportional to 115,310.79, 173,043.14 and 40,430.88

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Solution

The fourth proportional to 115,310.79, 173,043.14 and 40,430.88 is: 60,673.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,310.79 : 173,043.14 = 40,430.88 : x
  2. Step 2: Convert to fraction form
    115,310.79/173,043.14 = 40,430.88/x
  3. Step 3: Cross multiply
    115,310.79x = 173,043.14 × 40,430.88
  4. Step 4: Simplify right side
    115,310.79x = 6,996,286,226.01
  5. Step 5: Solve for x
    x = 6,996,286,226.01/115,310.79
  6. Step 6: Final answer
    x = 60,673.30

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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.