Home / 127,090.87-175,379.58-69,728.95

Finding the Fourth Proportional to 127,090.87, 175,379.58 and 69,728.95

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Solution

The fourth proportional to 127,090.87, 175,379.58 and 69,728.95 is: 96,222.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,090.87 : 175,379.58 = 69,728.95 : x
  2. Step 2: Convert to fraction form
    127,090.87/175,379.58 = 69,728.95/x
  3. Step 3: Cross multiply
    127,090.87x = 175,379.58 × 69,728.95
  4. Step 4: Simplify right side
    127,090.87x = 12,229,034,184.07
  5. Step 5: Solve for x
    x = 12,229,034,184.07/127,090.87
  6. Step 6: Final answer
    x = 96,222.76

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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.