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Finding the Fourth Proportional to 109,011, 150,447.63 and 60,617.75

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Solution

The fourth proportional to 109,011, 150,447.63 and 60,617.75 is: 83,659.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,011 : 150,447.63 = 60,617.75 : x
  2. Step 2: Convert to fraction form
    109,011/150,447.63 = 60,617.75/x
  3. Step 3: Cross multiply
    109,011x = 150,447.63 × 60,617.75
  4. Step 4: Simplify right side
    109,011x = 9,119,796,071.19
  5. Step 5: Solve for x
    x = 9,119,796,071.19/109,011
  6. Step 6: Final answer
    x = 83,659.41

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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.