Home / 115,771.83-159,611.95-83,479.42

Finding the Fourth Proportional to 115,771.83, 159,611.95 and 83,479.42

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Solution

The fourth proportional to 115,771.83, 159,611.95 and 83,479.42 is: 115,091.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,771.83 : 159,611.95 = 83,479.42 : x
  2. Step 2: Convert to fraction form
    115,771.83/159,611.95 = 83,479.42/x
  3. Step 3: Cross multiply
    115,771.83x = 159,611.95 × 83,479.42
  4. Step 4: Simplify right side
    115,771.83x = 13,324,313,011.07
  5. Step 5: Solve for x
    x = 13,324,313,011.07/115,771.83
  6. Step 6: Final answer
    x = 115,091.15

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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.