Home / 149,299.47-205,967.88-98,246.52

Finding the Fourth Proportional to 149,299.47, 205,967.88 and 98,246.52

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Solution

The fourth proportional to 149,299.47, 205,967.88 and 98,246.52 is: 135,537.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,299.47 : 205,967.88 = 98,246.52 : x
  2. Step 2: Convert to fraction form
    149,299.47/205,967.88 = 98,246.52/x
  3. Step 3: Cross multiply
    149,299.47x = 205,967.88 × 98,246.52
  4. Step 4: Simplify right side
    149,299.47x = 20,235,627,441.78
  5. Step 5: Solve for x
    x = 20,235,627,441.78/149,299.47
  6. Step 6: Final answer
    x = 135,537.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.