Home / 144,323.28-199,035.72-90,614.16

Finding the Fourth Proportional to 144,323.28, 199,035.72 and 90,614.16

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Solution

The fourth proportional to 144,323.28, 199,035.72 and 90,614.16 is: 124,965.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,323.28 : 199,035.72 = 90,614.16 : x
  2. Step 2: Convert to fraction form
    144,323.28/199,035.72 = 90,614.16/x
  3. Step 3: Cross multiply
    144,323.28x = 199,035.72 × 90,614.16
  4. Step 4: Simplify right side
    144,323.28x = 18,035,454,577.80
  5. Step 5: Solve for x
    x = 18,035,454,577.80/144,323.28
  6. Step 6: Final answer
    x = 124,965.66

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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.