Home / 160,839.45-221,985.06-89,242.54

Finding the Fourth Proportional to 160,839.45, 221,985.06 and 89,242.54

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Solution

The fourth proportional to 160,839.45, 221,985.06 and 89,242.54 is: 123,169.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,839.45 : 221,985.06 = 89,242.54 : x
  2. Step 2: Convert to fraction form
    160,839.45/221,985.06 = 89,242.54/x
  3. Step 3: Cross multiply
    160,839.45x = 221,985.06 × 89,242.54
  4. Step 4: Simplify right side
    160,839.45x = 19,810,509,706.83
  5. Step 5: Solve for x
    x = 19,810,509,706.83/160,839.45
  6. Step 6: Final answer
    x = 123,169.47

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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.