Home / 160,083.07-240,115.91-81,195.23

Finding the Fourth Proportional to 160,083.07, 240,115.91 and 81,195.23

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Solution

The fourth proportional to 160,083.07, 240,115.91 and 81,195.23 is: 121,788.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,083.07 : 240,115.91 = 81,195.23 : x
  2. Step 2: Convert to fraction form
    160,083.07/240,115.91 = 81,195.23/x
  3. Step 3: Cross multiply
    160,083.07x = 240,115.91 × 81,195.23
  4. Step 4: Simplify right side
    160,083.07x = 19,496,266,539.11
  5. Step 5: Solve for x
    x = 19,496,266,539.11/160,083.07
  6. Step 6: Final answer
    x = 121,788.43

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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.