Home / 144,578.19-199,494.10-90,825.14

Finding the Fourth Proportional to 144,578.19, 199,494.10 and 90,825.14

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Solution

The fourth proportional to 144,578.19, 199,494.10 and 90,825.14 is: 125,323.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,578.19 : 199,494.10 = 90,825.14 : x
  2. Step 2: Convert to fraction form
    144,578.19/199,494.10 = 90,825.14/x
  3. Step 3: Cross multiply
    144,578.19x = 199,494.10 × 90,825.14
  4. Step 4: Simplify right side
    144,578.19x = 18,119,080,060.41
  5. Step 5: Solve for x
    x = 18,119,080,060.41/144,578.19
  6. Step 6: Final answer
    x = 125,323.74

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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.