Home / 126,841.70-190,280.02-42,625.94

Finding the Fourth Proportional to 126,841.70, 190,280.02 and 42,625.94

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Solution

The fourth proportional to 126,841.70, 190,280.02 and 42,625.94 is: 63,944.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,841.70 : 190,280.02 = 42,625.94 : x
  2. Step 2: Convert to fraction form
    126,841.70/190,280.02 = 42,625.94/x
  3. Step 3: Cross multiply
    126,841.70x = 190,280.02 × 42,625.94
  4. Step 4: Simplify right side
    126,841.70x = 8,110,864,715.72
  5. Step 5: Solve for x
    x = 8,110,864,715.72/126,841.70
  6. Step 6: Final answer
    x = 63,944.78

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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.