Home / 109,209.04-150,670.76-66,202.32

Finding the Fourth Proportional to 109,209.04, 150,670.76 and 66,202.32

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Solution

The fourth proportional to 109,209.04, 150,670.76 and 66,202.32 is: 91,336.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,209.04 : 150,670.76 = 66,202.32 : x
  2. Step 2: Convert to fraction form
    109,209.04/150,670.76 = 66,202.32/x
  3. Step 3: Cross multiply
    109,209.04x = 150,670.76 × 66,202.32
  4. Step 4: Simplify right side
    109,209.04x = 9,974,753,868.16
  5. Step 5: Solve for x
    x = 9,974,753,868.16/109,209.04
  6. Step 6: Final answer
    x = 91,336.34

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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.