Home / 149,708.51-206,632.48-98,730.44

Finding the Fourth Proportional to 149,708.51, 206,632.48 and 98,730.44

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Solution

The fourth proportional to 149,708.51, 206,632.48 and 98,730.44 is: 136,270.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,708.51 : 206,632.48 = 98,730.44 : x
  2. Step 2: Convert to fraction form
    149,708.51/206,632.48 = 98,730.44/x
  3. Step 3: Cross multiply
    149,708.51x = 206,632.48 × 98,730.44
  4. Step 4: Simplify right side
    149,708.51x = 20,400,915,668.69
  5. Step 5: Solve for x
    x = 20,400,915,668.69/149,708.51
  6. Step 6: Final answer
    x = 136,270.92

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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.