Home / 127,594.15-191,262.57-80,243.08

Finding the Fourth Proportional to 127,594.15, 191,262.57 and 80,243.08

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Solution

The fourth proportional to 127,594.15, 191,262.57 and 80,243.08 is: 120,283.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,594.15 : 191,262.57 = 80,243.08 : x
  2. Step 2: Convert to fraction form
    127,594.15/191,262.57 = 80,243.08/x
  3. Step 3: Cross multiply
    127,594.15x = 191,262.57 × 80,243.08
  4. Step 4: Simplify right side
    127,594.15x = 15,347,497,152.13
  5. Step 5: Solve for x
    x = 15,347,497,152.13/127,594.15
  6. Step 6: Final answer
    x = 120,283.70

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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.