Home / 109,147.32-150,620.04-66,152.25

Finding the Fourth Proportional to 109,147.32, 150,620.04 and 66,152.25

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Solution

The fourth proportional to 109,147.32, 150,620.04 and 66,152.25 is: 91,288.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,147.32 : 150,620.04 = 66,152.25 : x
  2. Step 2: Convert to fraction form
    109,147.32/150,620.04 = 66,152.25/x
  3. Step 3: Cross multiply
    109,147.32x = 150,620.04 × 66,152.25
  4. Step 4: Simplify right side
    109,147.32x = 9,963,854,541.09
  5. Step 5: Solve for x
    x = 9,963,854,541.09/109,147.32
  6. Step 6: Final answer
    x = 91,288.13

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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.