Home / 144,345.40-199,188.61-79,810.86

Finding the Fourth Proportional to 144,345.40, 199,188.61 and 79,810.86

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Solution

The fourth proportional to 144,345.40, 199,188.61 and 79,810.86 is: 110,134.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,345.40 : 199,188.61 = 79,810.86 : x
  2. Step 2: Convert to fraction form
    144,345.40/199,188.61 = 79,810.86/x
  3. Step 3: Cross multiply
    144,345.40x = 199,188.61 × 79,810.86
  4. Step 4: Simplify right side
    144,345.40x = 15,897,414,266.30
  5. Step 5: Solve for x
    x = 15,897,414,266.30/144,345.40
  6. Step 6: Final answer
    x = 110,134.54

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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.