Home / 280,162.84-420,176.22-93,150.04

Finding the Fourth Proportional to 280,162.84, 420,176.22 and 93,150.04

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Solution

The fourth proportional to 280,162.84, 420,176.22 and 93,150.04 is: 139,702.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,162.84 : 420,176.22 = 93,150.04 : x
  2. Step 2: Convert to fraction form
    280,162.84/420,176.22 = 93,150.04/x
  3. Step 3: Cross multiply
    280,162.84x = 420,176.22 × 93,150.04
  4. Step 4: Simplify right side
    280,162.84x = 39,139,431,700.05
  5. Step 5: Solve for x
    x = 39,139,431,700.05/280,162.84
  6. Step 6: Final answer
    x = 139,702.44

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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.