Home / 144,833.10-199,881.45-80,308.74

Finding the Fourth Proportional to 144,833.10, 199,881.45 and 80,308.74

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Solution

The fourth proportional to 144,833.10, 199,881.45 and 80,308.74 is: 110,832.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,833.10 : 199,881.45 = 80,308.74 : x
  2. Step 2: Convert to fraction form
    144,833.10/199,881.45 = 80,308.74/x
  3. Step 3: Cross multiply
    144,833.10x = 199,881.45 × 80,308.74
  4. Step 4: Simplify right side
    144,833.10x = 16,052,227,398.87
  5. Step 5: Solve for x
    x = 16,052,227,398.87/144,833.10
  6. Step 6: Final answer
    x = 110,832.59

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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.