Home / 126,825.67-190,073.17-70,663.51

Finding the Fourth Proportional to 126,825.67, 190,073.17 and 70,663.51

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Solution

The fourth proportional to 126,825.67, 190,073.17 and 70,663.51 is: 105,903.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,825.67 : 190,073.17 = 70,663.51 : x
  2. Step 2: Convert to fraction form
    126,825.67/190,073.17 = 70,663.51/x
  3. Step 3: Cross multiply
    126,825.67x = 190,073.17 × 70,663.51
  4. Step 4: Simplify right side
    126,825.67x = 13,431,237,349.03
  5. Step 5: Solve for x
    x = 13,431,237,349.03/126,825.67
  6. Step 6: Final answer
    x = 105,903.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.