Home / 160,431.27-221,396.90-88,812.49

Finding the Fourth Proportional to 160,431.27, 221,396.90 and 88,812.49

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Solution

The fourth proportional to 160,431.27, 221,396.90 and 88,812.49 is: 122,562.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,431.27 : 221,396.90 = 88,812.49 : x
  2. Step 2: Convert to fraction form
    160,431.27/221,396.90 = 88,812.49/x
  3. Step 3: Cross multiply
    160,431.27x = 221,396.90 × 88,812.49
  4. Step 4: Simplify right side
    160,431.27x = 19,662,809,967.28
  5. Step 5: Solve for x
    x = 19,662,809,967.28/160,431.27
  6. Step 6: Final answer
    x = 122,562.20

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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.