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Finding the Fourth Proportional to 109,160.74, 150,633.76 and 61,404.89

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Solution

The fourth proportional to 109,160.74, 150,633.76 and 61,404.89 is: 84,734.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,160.74 : 150,633.76 = 61,404.89 : x
  2. Step 2: Convert to fraction form
    109,160.74/150,633.76 = 61,404.89/x
  3. Step 3: Cross multiply
    109,160.74x = 150,633.76 × 61,404.89
  4. Step 4: Simplify right side
    109,160.74x = 9,249,649,309.57
  5. Step 5: Solve for x
    x = 9,249,649,309.57/109,160.74
  6. Step 6: Final answer
    x = 84,734.22

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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.