Home / 280,850.37-421,188.07-93,818.13

Finding the Fourth Proportional to 280,850.37, 421,188.07 and 93,818.13

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Solution

The fourth proportional to 280,850.37, 421,188.07 and 93,818.13 is: 140,697.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,850.37 : 421,188.07 = 93,818.13 : x
  2. Step 2: Convert to fraction form
    280,850.37/421,188.07 = 93,818.13/x
  3. Step 3: Cross multiply
    280,850.37x = 421,188.07 × 93,818.13
  4. Step 4: Simplify right side
    280,850.37x = 39,515,077,105.71
  5. Step 5: Solve for x
    x = 39,515,077,105.71/280,850.37
  6. Step 6: Final answer
    x = 140,697.97

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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.