Home / 149,210.47-205,845.06-98,157.52

Finding the Fourth Proportional to 149,210.47, 205,845.06 and 98,157.52

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Solution

The fourth proportional to 149,210.47, 205,845.06 and 98,157.52 is: 135,414.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,210.47 : 205,845.06 = 98,157.52 : x
  2. Step 2: Convert to fraction form
    149,210.47/205,845.06 = 98,157.52/x
  3. Step 3: Cross multiply
    149,210.47x = 205,845.06 × 98,157.52
  4. Step 4: Simplify right side
    149,210.47x = 20,205,240,593.85
  5. Step 5: Solve for x
    x = 20,205,240,593.85/149,210.47
  6. Step 6: Final answer
    x = 135,414.36

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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.