Home / 247,784.69-371,661.99-87,868.53

Finding the Fourth Proportional to 247,784.69, 371,661.99 and 87,868.53

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Solution

The fourth proportional to 247,784.69, 371,661.99 and 87,868.53 is: 131,797.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,784.69 : 371,661.99 = 87,868.53 : x
  2. Step 2: Convert to fraction form
    247,784.69/371,661.99 = 87,868.53/x
  3. Step 3: Cross multiply
    247,784.69x = 371,661.99 × 87,868.53
  4. Step 4: Simplify right side
    247,784.69x = 32,657,392,718.17
  5. Step 5: Solve for x
    x = 32,657,392,718.17/247,784.69
  6. Step 6: Final answer
    x = 131,797.46

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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.