Home / 127,366.02-175,791.06-87,190.83

Finding the Fourth Proportional to 127,366.02, 175,791.06 and 87,190.83

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Solution

The fourth proportional to 127,366.02, 175,791.06 and 87,190.83 is: 120,341.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,366.02 : 175,791.06 = 87,190.83 : x
  2. Step 2: Convert to fraction form
    127,366.02/175,791.06 = 87,190.83/x
  3. Step 3: Cross multiply
    127,366.02x = 175,791.06 × 87,190.83
  4. Step 4: Simplify right side
    127,366.02x = 15,327,368,427.98
  5. Step 5: Solve for x
    x = 15,327,368,427.98/127,366.02
  6. Step 6: Final answer
    x = 120,341.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.