Home / 126,140.69-173,893.28-99,236.47

Finding the Fourth Proportional to 126,140.69, 173,893.28 and 99,236.47

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Solution

The fourth proportional to 126,140.69, 173,893.28 and 99,236.47 is: 136,804.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,140.69 : 173,893.28 = 99,236.47 : x
  2. Step 2: Convert to fraction form
    126,140.69/173,893.28 = 99,236.47/x
  3. Step 3: Cross multiply
    126,140.69x = 173,893.28 × 99,236.47
  4. Step 4: Simplify right side
    126,140.69x = 17,256,554,767.74
  5. Step 5: Solve for x
    x = 17,256,554,767.74/126,140.69
  6. Step 6: Final answer
    x = 136,804.04

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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.