Home / 126,756.19-190,238.22-51,877.06

Finding the Fourth Proportional to 126,756.19, 190,238.22 and 51,877.06

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Solution

The fourth proportional to 126,756.19, 190,238.22 and 51,877.06 is: 77,858.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,756.19 : 190,238.22 = 51,877.06 : x
  2. Step 2: Convert to fraction form
    126,756.19/190,238.22 = 51,877.06/x
  3. Step 3: Cross multiply
    126,756.19x = 190,238.22 × 51,877.06
  4. Step 4: Simplify right side
    126,756.19x = 9,868,999,077.64
  5. Step 5: Solve for x
    x = 9,868,999,077.64/126,756.19
  6. Step 6: Final answer
    x = 77,858.12

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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.