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Finding the Fourth Proportional to 126,874.84, 190,312.26 and 52,951

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Solution

The fourth proportional to 126,874.84, 190,312.26 and 52,951 is: 79,426.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,874.84 : 190,312.26 = 52,951 : x
  2. Step 2: Convert to fraction form
    126,874.84/190,312.26 = 52,951/x
  3. Step 3: Cross multiply
    126,874.84x = 190,312.26 × 52,951
  4. Step 4: Simplify right side
    126,874.84x = 10,077,224,479.26
  5. Step 5: Solve for x
    x = 10,077,224,479.26/126,874.84
  6. Step 6: Final answer
    x = 79,426.50

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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.