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Finding the Fourth Proportional to 144,230.68, 199,038.77 and 80,570.89

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Solution

The fourth proportional to 144,230.68, 199,038.77 and 80,570.89 is: 111,188.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,230.68 : 199,038.77 = 80,570.89 : x
  2. Step 2: Convert to fraction form
    144,230.68/199,038.77 = 80,570.89/x
  3. Step 3: Cross multiply
    144,230.68x = 199,038.77 × 80,570.89
  4. Step 4: Simplify right side
    144,230.68x = 16,036,730,843.41
  5. Step 5: Solve for x
    x = 16,036,730,843.41/144,230.68
  6. Step 6: Final answer
    x = 111,188.07

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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.