Home / 160,081.07-240,112.91-81,193.23

Finding the Fourth Proportional to 160,081.07, 240,112.91 and 81,193.23

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Solution

The fourth proportional to 160,081.07, 240,112.91 and 81,193.23 is: 121,785.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,081.07 : 240,112.91 = 81,193.23 : x
  2. Step 2: Convert to fraction form
    160,081.07/240,112.91 = 81,193.23/x
  3. Step 3: Cross multiply
    160,081.07x = 240,112.91 × 81,193.23
  4. Step 4: Simplify right side
    160,081.07x = 19,495,542,930.58
  5. Step 5: Solve for x
    x = 19,495,542,930.58/160,081.07
  6. Step 6: Final answer
    x = 121,785.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.