Home / 126,938.08-190,363.20-52,036.96

Finding the Fourth Proportional to 126,938.08, 190,363.20 and 52,036.96

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Solution

The fourth proportional to 126,938.08, 190,363.20 and 52,036.96 is: 78,037.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,938.08 : 190,363.20 = 52,036.96 : x
  2. Step 2: Convert to fraction form
    126,938.08/190,363.20 = 52,036.96/x
  3. Step 3: Cross multiply
    126,938.08x = 190,363.20 × 52,036.96
  4. Step 4: Simplify right side
    126,938.08x = 9,905,922,223.87
  5. Step 5: Solve for x
    x = 9,905,922,223.87/126,938.08
  6. Step 6: Final answer
    x = 78,037.44

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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.