Home / 126,310.03-174,307.81-69,721.39

Finding the Fourth Proportional to 126,310.03, 174,307.81 and 69,721.39

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Solution

The fourth proportional to 126,310.03, 174,307.81 and 69,721.39 is: 96,215.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,310.03 : 174,307.81 = 69,721.39 : x
  2. Step 2: Convert to fraction form
    126,310.03/174,307.81 = 69,721.39/x
  3. Step 3: Cross multiply
    126,310.03x = 174,307.81 × 69,721.39
  4. Step 4: Simplify right side
    126,310.03x = 12,152,982,801.06
  5. Step 5: Solve for x
    x = 12,152,982,801.06/126,310.03
  6. Step 6: Final answer
    x = 96,215.50

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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.