Home / 160,438.62-221,398.32-88,814.37

Finding the Fourth Proportional to 160,438.62, 221,398.32 and 88,814.37

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Solution

The fourth proportional to 160,438.62, 221,398.32 and 88,814.37 is: 122,559.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,438.62 : 221,398.32 = 88,814.37 : x
  2. Step 2: Convert to fraction form
    160,438.62/221,398.32 = 88,814.37/x
  3. Step 3: Cross multiply
    160,438.62x = 221,398.32 × 88,814.37
  4. Step 4: Simplify right side
    160,438.62x = 19,663,352,309.86
  5. Step 5: Solve for x
    x = 19,663,352,309.86/160,438.62
  6. Step 6: Final answer
    x = 122,559.97

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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.