Home / 144,349.16-199,201.26-80,686.92

Finding the Fourth Proportional to 144,349.16, 199,201.26 and 80,686.92

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Solution

The fourth proportional to 144,349.16, 199,201.26 and 80,686.92 is: 111,347.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,349.16 : 199,201.26 = 80,686.92 : x
  2. Step 2: Convert to fraction form
    144,349.16/199,201.26 = 80,686.92/x
  3. Step 3: Cross multiply
    144,349.16x = 199,201.26 × 80,686.92
  4. Step 4: Simplify right side
    144,349.16x = 16,072,936,129.52
  5. Step 5: Solve for x
    x = 16,072,936,129.52/144,349.16
  6. Step 6: Final answer
    x = 111,347.62

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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.