Home / 127,595.15-191,264.07-80,244.08

Finding the Fourth Proportional to 127,595.15, 191,264.07 and 80,244.08

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Solution

The fourth proportional to 127,595.15, 191,264.07 and 80,244.08 is: 120,285.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,595.15 : 191,264.07 = 80,244.08 : x
  2. Step 2: Convert to fraction form
    127,595.15/191,264.07 = 80,244.08/x
  3. Step 3: Cross multiply
    127,595.15x = 191,264.07 × 80,244.08
  4. Step 4: Simplify right side
    127,595.15x = 15,347,809,334.21
  5. Step 5: Solve for x
    x = 15,347,809,334.21/127,595.15
  6. Step 6: Final answer
    x = 120,285.21

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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.