Home / 144,264.39-199,080.79-80,602.19

Finding the Fourth Proportional to 144,264.39, 199,080.79 and 80,602.19

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Solution

The fourth proportional to 144,264.39, 199,080.79 and 80,602.19 is: 111,228.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,264.39 : 199,080.79 = 80,602.19 : x
  2. Step 2: Convert to fraction form
    144,264.39/199,080.79 = 80,602.19/x
  3. Step 3: Cross multiply
    144,264.39x = 199,080.79 × 80,602.19
  4. Step 4: Simplify right side
    144,264.39x = 16,046,347,210.57
  5. Step 5: Solve for x
    x = 16,046,347,210.57/144,264.39
  6. Step 6: Final answer
    x = 111,228.74

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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.