Home / 160,821.84-221,926.32-89,195.52

Finding the Fourth Proportional to 160,821.84, 221,926.32 and 89,195.52

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Solution

The fourth proportional to 160,821.84, 221,926.32 and 89,195.52 is: 123,085.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,821.84 : 221,926.32 = 89,195.52 : x
  2. Step 2: Convert to fraction form
    160,821.84/221,926.32 = 89,195.52/x
  3. Step 3: Cross multiply
    160,821.84x = 221,926.32 × 89,195.52
  4. Step 4: Simplify right side
    160,821.84x = 19,794,833,514.09
  5. Step 5: Solve for x
    x = 19,794,833,514.09/160,821.84
  6. Step 6: Final answer
    x = 123,085.48

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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.