Home / 127,621.77-191,460.33-38,872.95

Finding the Fourth Proportional to 127,621.77, 191,460.33 and 38,872.95

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Solution

The fourth proportional to 127,621.77, 191,460.33 and 38,872.95 is: 58,317.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,621.77 : 191,460.33 = 38,872.95 : x
  2. Step 2: Convert to fraction form
    127,621.77/191,460.33 = 38,872.95/x
  3. Step 3: Cross multiply
    127,621.77x = 191,460.33 × 38,872.95
  4. Step 4: Simplify right side
    127,621.77x = 7,442,627,835.07
  5. Step 5: Solve for x
    x = 7,442,627,835.07/127,621.77
  6. Step 6: Final answer
    x = 58,317.85

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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.