Home / 99,823.32-149,734.71-40,645.08

Finding the Fourth Proportional to 99,823.32, 149,734.71 and 40,645.08

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Solution

The fourth proportional to 99,823.32, 149,734.71 and 40,645.08 is: 60,967.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,823.32 : 149,734.71 = 40,645.08 : x
  2. Step 2: Convert to fraction form
    99,823.32/149,734.71 = 40,645.08/x
  3. Step 3: Cross multiply
    99,823.32x = 149,734.71 × 40,645.08
  4. Step 4: Simplify right side
    99,823.32x = 6,085,979,266.73
  5. Step 5: Solve for x
    x = 6,085,979,266.73/99,823.32
  6. Step 6: Final answer
    x = 60,967.51

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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.