Home / 126,948.40-190,422.57-52,017.40

Finding the Fourth Proportional to 126,948.40, 190,422.57 and 52,017.40

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Solution

The fourth proportional to 126,948.40, 190,422.57 and 52,017.40 is: 78,026.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,948.40 : 190,422.57 = 52,017.40 : x
  2. Step 2: Convert to fraction form
    126,948.40/190,422.57 = 52,017.40/x
  3. Step 3: Cross multiply
    126,948.40x = 190,422.57 × 52,017.40
  4. Step 4: Simplify right side
    126,948.40x = 9,905,286,992.72
  5. Step 5: Solve for x
    x = 9,905,286,992.72/126,948.40
  6. Step 6: Final answer
    x = 78,026.09

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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.