Home / 149,248.50-206,137.89-98,860.02

Finding the Fourth Proportional to 149,248.50, 206,137.89 and 98,860.02

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Solution

The fourth proportional to 149,248.50, 206,137.89 and 98,860.02 is: 136,542.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,248.50 : 206,137.89 = 98,860.02 : x
  2. Step 2: Convert to fraction form
    149,248.50/206,137.89 = 98,860.02/x
  3. Step 3: Cross multiply
    149,248.50x = 206,137.89 × 98,860.02
  4. Step 4: Simplify right side
    149,248.50x = 20,378,795,928.16
  5. Step 5: Solve for x
    x = 20,378,795,928.16/149,248.50
  6. Step 6: Final answer
    x = 136,542.72

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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.