Home / 144,844.80-199,983.51-90,480.03

Finding the Fourth Proportional to 144,844.80, 199,983.51 and 90,480.03

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Solution

The fourth proportional to 144,844.80, 199,983.51 and 90,480.03 is: 124,923.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,844.80 : 199,983.51 = 90,480.03 : x
  2. Step 2: Convert to fraction form
    144,844.80/199,983.51 = 90,480.03/x
  3. Step 3: Cross multiply
    144,844.80x = 199,983.51 × 90,480.03
  4. Step 4: Simplify right side
    144,844.80x = 18,094,513,984.31
  5. Step 5: Solve for x
    x = 18,094,513,984.31/144,844.80
  6. Step 6: Final answer
    x = 124,923.46

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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.