Home / 178,920.42-268,424.61-89,005.56

Finding the Fourth Proportional to 178,920.42, 268,424.61 and 89,005.56

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Solution

The fourth proportional to 178,920.42, 268,424.61 and 89,005.56 is: 133,530.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,920.42 : 268,424.61 = 89,005.56 : x
  2. Step 2: Convert to fraction form
    178,920.42/268,424.61 = 89,005.56/x
  3. Step 3: Cross multiply
    178,920.42x = 268,424.61 × 89,005.56
  4. Step 4: Simplify right side
    178,920.42x = 23,891,282,730.83
  5. Step 5: Solve for x
    x = 23,891,282,730.83/178,920.42
  6. Step 6: Final answer
    x = 133,530.22

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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.