Home / 144,490.96-199,417.62-80,833.06

Finding the Fourth Proportional to 144,490.96, 199,417.62 and 80,833.06

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Solution

The fourth proportional to 144,490.96, 199,417.62 and 80,833.06 is: 111,560.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,490.96 : 199,417.62 = 80,833.06 : x
  2. Step 2: Convert to fraction form
    144,490.96/199,417.62 = 80,833.06/x
  3. Step 3: Cross multiply
    144,490.96x = 199,417.62 × 80,833.06
  4. Step 4: Simplify right side
    144,490.96x = 16,119,536,442.52
  5. Step 5: Solve for x
    x = 16,119,536,442.52/144,490.96
  6. Step 6: Final answer
    x = 111,560.86

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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.