Home / 149,678.67-206,358.08-124,088.43

Finding the Fourth Proportional to 149,678.67, 206,358.08 and 124,088.43

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Solution

The fourth proportional to 149,678.67, 206,358.08 and 124,088.43 is: 171,077.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,678.67 : 206,358.08 = 124,088.43 : x
  2. Step 2: Convert to fraction form
    149,678.67/206,358.08 = 124,088.43/x
  3. Step 3: Cross multiply
    149,678.67x = 206,358.08 × 124,088.43
  4. Step 4: Simplify right side
    149,678.67x = 25,606,649,544.57
  5. Step 5: Solve for x
    x = 25,606,649,544.57/149,678.67
  6. Step 6: Final answer
    x = 171,077.48

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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.