Home / 160,839.98-221,941.26-89,202.05

Finding the Fourth Proportional to 160,839.98, 221,941.26 and 89,202.05

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Solution

The fourth proportional to 160,839.98, 221,941.26 and 89,202.05 is: 123,088.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,839.98 : 221,941.26 = 89,202.05 : x
  2. Step 2: Convert to fraction form
    160,839.98/221,941.26 = 89,202.05/x
  3. Step 3: Cross multiply
    160,839.98x = 221,941.26 × 89,202.05
  4. Step 4: Simplify right side
    160,839.98x = 19,797,614,261.88
  5. Step 5: Solve for x
    x = 19,797,614,261.88/160,839.98
  6. Step 6: Final answer
    x = 123,088.89

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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.