Home / 144,307.40-199,144.94-80,646.26

Finding the Fourth Proportional to 144,307.40, 199,144.94 and 80,646.26

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Solution

The fourth proportional to 144,307.40, 199,144.94 and 80,646.26 is: 111,292.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,307.40 : 199,144.94 = 80,646.26 : x
  2. Step 2: Convert to fraction form
    144,307.40/199,144.94 = 80,646.26/x
  3. Step 3: Cross multiply
    144,307.40x = 199,144.94 × 80,646.26
  4. Step 4: Simplify right side
    144,307.40x = 16,060,293,613.20
  5. Step 5: Solve for x
    x = 16,060,293,613.20/144,307.40
  6. Step 6: Final answer
    x = 111,292.24

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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.