Home / 99,279.40-148,919.10-52,623.40

Finding the Fourth Proportional to 99,279.40, 148,919.10 and 52,623.40

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Solution

The fourth proportional to 99,279.40, 148,919.10 and 52,623.40 is: 78,935.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,279.40 : 148,919.10 = 52,623.40 : x
  2. Step 2: Convert to fraction form
    99,279.40/148,919.10 = 52,623.40/x
  3. Step 3: Cross multiply
    99,279.40x = 148,919.10 × 52,623.40
  4. Step 4: Simplify right side
    99,279.40x = 7,836,629,366.94
  5. Step 5: Solve for x
    x = 7,836,629,366.94/99,279.40
  6. Step 6: Final answer
    x = 78,935.10

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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.