Home / 160,823.07-221,962.41-89,226.15

Finding the Fourth Proportional to 160,823.07, 221,962.41 and 89,226.15

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Solution

The fourth proportional to 160,823.07, 221,962.41 and 89,226.15 is: 123,146.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,823.07 : 221,962.41 = 89,226.15 : x
  2. Step 2: Convert to fraction form
    160,823.07/221,962.41 = 89,226.15/x
  3. Step 3: Cross multiply
    160,823.07x = 221,962.41 × 89,226.15
  4. Step 4: Simplify right side
    160,823.07x = 19,804,851,289.02
  5. Step 5: Solve for x
    x = 19,804,851,289.02/160,823.07
  6. Step 6: Final answer
    x = 123,146.83

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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.