Home / 178,758.95-268,138.13-45,639.23

Finding the Fourth Proportional to 178,758.95, 268,138.13 and 45,639.23

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Solution

The fourth proportional to 178,758.95, 268,138.13 and 45,639.23 is: 68,458.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,758.95 : 268,138.13 = 45,639.23 : x
  2. Step 2: Convert to fraction form
    178,758.95/268,138.13 = 45,639.23/x
  3. Step 3: Cross multiply
    178,758.95x = 268,138.13 × 45,639.23
  4. Step 4: Simplify right side
    178,758.95x = 12,237,616,217.95
  5. Step 5: Solve for x
    x = 12,237,616,217.95/178,758.95
  6. Step 6: Final answer
    x = 68,458.76

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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.