Home / 179,443.08-268,942.95-90,721.89

Finding the Fourth Proportional to 179,443.08, 268,942.95 and 90,721.89

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Solution

The fourth proportional to 179,443.08, 268,942.95 and 90,721.89 is: 135,970.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,443.08 : 268,942.95 = 90,721.89 : x
  2. Step 2: Convert to fraction form
    179,443.08/268,942.95 = 90,721.89/x
  3. Step 3: Cross multiply
    179,443.08x = 268,942.95 × 90,721.89
  4. Step 4: Simplify right side
    179,443.08x = 24,399,012,726.18
  5. Step 5: Solve for x
    x = 24,399,012,726.18/179,443.08
  6. Step 6: Final answer
    x = 135,970.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.