Home / 160,820.44-221,958.78-89,223.52

Finding the Fourth Proportional to 160,820.44, 221,958.78 and 89,223.52

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Solution

The fourth proportional to 160,820.44, 221,958.78 and 89,223.52 is: 123,143.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,820.44 : 221,958.78 = 89,223.52 : x
  2. Step 2: Convert to fraction form
    160,820.44/221,958.78 = 89,223.52/x
  3. Step 3: Cross multiply
    160,820.44x = 221,958.78 × 89,223.52
  4. Step 4: Simplify right side
    160,820.44x = 19,803,943,646.51
  5. Step 5: Solve for x
    x = 19,803,943,646.51/160,820.44
  6. Step 6: Final answer
    x = 123,143.20

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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.