Home / 109,115.68-150,587.52-66,682.32

Finding the Fourth Proportional to 109,115.68, 150,587.52 and 66,682.32

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Solution

The fourth proportional to 109,115.68, 150,587.52 and 66,682.32 is: 92,026.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,115.68 : 150,587.52 = 66,682.32 : x
  2. Step 2: Convert to fraction form
    109,115.68/150,587.52 = 66,682.32/x
  3. Step 3: Cross multiply
    109,115.68x = 150,587.52 × 66,682.32
  4. Step 4: Simplify right side
    109,115.68x = 10,041,525,196.65
  5. Step 5: Solve for x
    x = 10,041,525,196.65/109,115.68
  6. Step 6: Final answer
    x = 92,026.42

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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.