Home / 126,627.84-174,664.32-99,726.72

Finding the Fourth Proportional to 126,627.84, 174,664.32 and 99,726.72

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Solution

The fourth proportional to 126,627.84, 174,664.32 and 99,726.72 is: 137,558.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,627.84 : 174,664.32 = 99,726.72 : x
  2. Step 2: Convert to fraction form
    126,627.84/174,664.32 = 99,726.72/x
  3. Step 3: Cross multiply
    126,627.84x = 174,664.32 × 99,726.72
  4. Step 4: Simplify right side
    126,627.84x = 17,418,699,734.63
  5. Step 5: Solve for x
    x = 17,418,699,734.63/126,627.84
  6. Step 6: Final answer
    x = 137,558.22

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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.