Home / 144,313.90-199,159.33-80,651.70

Finding the Fourth Proportional to 144,313.90, 199,159.33 and 80,651.70

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Solution

The fourth proportional to 144,313.90, 199,159.33 and 80,651.70 is: 111,302.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,313.90 : 199,159.33 = 80,651.70 : x
  2. Step 2: Convert to fraction form
    144,313.90/199,159.33 = 80,651.70/x
  3. Step 3: Cross multiply
    144,313.90x = 199,159.33 × 80,651.70
  4. Step 4: Simplify right side
    144,313.90x = 16,062,537,741.19
  5. Step 5: Solve for x
    x = 16,062,537,741.19/144,313.90
  6. Step 6: Final answer
    x = 111,302.78

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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.