Home / 127,491.06-191,215.80-37,512.72

Finding the Fourth Proportional to 127,491.06, 191,215.80 and 37,512.72

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Solution

The fourth proportional to 127,491.06, 191,215.80 and 37,512.72 is: 56,262.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,491.06 : 191,215.80 = 37,512.72 : x
  2. Step 2: Convert to fraction form
    127,491.06/191,215.80 = 37,512.72/x
  3. Step 3: Cross multiply
    127,491.06x = 191,215.80 × 37,512.72
  4. Step 4: Simplify right side
    127,491.06x = 7,173,024,764.98
  5. Step 5: Solve for x
    x = 7,173,024,764.98/127,491.06
  6. Step 6: Final answer
    x = 56,262.96

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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.