Home / 149,718.63-206,646.46-98,740.57

Finding the Fourth Proportional to 149,718.63, 206,646.46 and 98,740.57

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Solution

The fourth proportional to 149,718.63, 206,646.46 and 98,740.57 is: 136,284.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,718.63 : 206,646.46 = 98,740.57 : x
  2. Step 2: Convert to fraction form
    149,718.63/206,646.46 = 98,740.57/x
  3. Step 3: Cross multiply
    149,718.63x = 206,646.46 × 98,740.57
  4. Step 4: Simplify right side
    149,718.63x = 20,404,388,755.18
  5. Step 5: Solve for x
    x = 20,404,388,755.18/149,718.63
  6. Step 6: Final answer
    x = 136,284.90

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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.