Home / 160,860.27-221,969.16-89,222.34

Finding the Fourth Proportional to 160,860.27, 221,969.16 and 89,222.34

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Solution

The fourth proportional to 160,860.27, 221,969.16 and 89,222.34 is: 123,116.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,860.27 : 221,969.16 = 89,222.34 : x
  2. Step 2: Convert to fraction form
    160,860.27/221,969.16 = 89,222.34/x
  3. Step 3: Cross multiply
    160,860.27x = 221,969.16 × 89,222.34
  4. Step 4: Simplify right side
    160,860.27x = 19,804,607,863.03
  5. Step 5: Solve for x
    x = 19,804,607,863.03/160,860.27
  6. Step 6: Final answer
    x = 123,116.84

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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.