Home / 247,770.09-371,802.15-90,010.85

Finding the Fourth Proportional to 247,770.09, 371,802.15 and 90,010.85

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Solution

The fourth proportional to 247,770.09, 371,802.15 and 90,010.85 is: 135,069.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,770.09 : 371,802.15 = 90,010.85 : x
  2. Step 2: Convert to fraction form
    247,770.09/371,802.15 = 90,010.85/x
  3. Step 3: Cross multiply
    247,770.09x = 371,802.15 × 90,010.85
  4. Step 4: Simplify right side
    247,770.09x = 33,466,225,694.32
  5. Step 5: Solve for x
    x = 33,466,225,694.32/247,770.09
  6. Step 6: Final answer
    x = 135,069.68

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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.