Home / 144,255.16-199,070.76-80,603.92

Finding the Fourth Proportional to 144,255.16, 199,070.76 and 80,603.92

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Solution

The fourth proportional to 144,255.16, 199,070.76 and 80,603.92 is: 111,232.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,255.16 : 199,070.76 = 80,603.92 : x
  2. Step 2: Convert to fraction form
    144,255.16/199,070.76 = 80,603.92/x
  3. Step 3: Cross multiply
    144,255.16x = 199,070.76 × 80,603.92
  4. Step 4: Simplify right side
    144,255.16x = 16,045,883,613.38
  5. Step 5: Solve for x
    x = 16,045,883,613.38/144,255.16
  6. Step 6: Final answer
    x = 111,232.65

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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.