Home / 160,755.18-221,844.81-89,138.22

Finding the Fourth Proportional to 160,755.18, 221,844.81 and 89,138.22

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Solution

The fourth proportional to 160,755.18, 221,844.81 and 89,138.22 is: 123,012.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,755.18 : 221,844.81 = 89,138.22 : x
  2. Step 2: Convert to fraction form
    160,755.18/221,844.81 = 89,138.22/x
  3. Step 3: Cross multiply
    160,755.18x = 221,844.81 × 89,138.22
  4. Step 4: Simplify right side
    160,755.18x = 19,774,851,479.64
  5. Step 5: Solve for x
    x = 19,774,851,479.64/160,755.18
  6. Step 6: Final answer
    x = 123,012.22

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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.