Home / 144,516.15-199,405.50-84,064.74

Finding the Fourth Proportional to 144,516.15, 199,405.50 and 84,064.74

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Solution

The fourth proportional to 144,516.15, 199,405.50 and 84,064.74 is: 115,993.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,516.15 : 199,405.50 = 84,064.74 : x
  2. Step 2: Convert to fraction form
    144,516.15/199,405.50 = 84,064.74/x
  3. Step 3: Cross multiply
    144,516.15x = 199,405.50 × 84,064.74
  4. Step 4: Simplify right side
    144,516.15x = 16,762,970,449.06
  5. Step 5: Solve for x
    x = 16,762,970,449.06/144,516.15
  6. Step 6: Final answer
    x = 115,993.75

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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.