Home / 160,521.39-221,519.41-88,901.34

Finding the Fourth Proportional to 160,521.39, 221,519.41 and 88,901.34

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Solution

The fourth proportional to 160,521.39, 221,519.41 and 88,901.34 is: 122,683.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,521.39 : 221,519.41 = 88,901.34 : x
  2. Step 2: Convert to fraction form
    160,521.39/221,519.41 = 88,901.34/x
  3. Step 3: Cross multiply
    160,521.39x = 221,519.41 × 88,901.34
  4. Step 4: Simplify right side
    160,521.39x = 19,693,372,385.01
  5. Step 5: Solve for x
    x = 19,693,372,385.01/160,521.39
  6. Step 6: Final answer
    x = 122,683.79

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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.