Home / 90,568.89-135,853.34-28,244.25

Finding the Fourth Proportional to 90,568.89, 135,853.34 and 28,244.25

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Solution

The fourth proportional to 90,568.89, 135,853.34 and 28,244.25 is: 42,366.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,568.89 : 135,853.34 = 28,244.25 : x
  2. Step 2: Convert to fraction form
    90,568.89/135,853.34 = 28,244.25/x
  3. Step 3: Cross multiply
    90,568.89x = 135,853.34 × 28,244.25
  4. Step 4: Simplify right side
    90,568.89x = 3,837,075,557.07
  5. Step 5: Solve for x
    x = 3,837,075,557.07/90,568.89
  6. Step 6: Final answer
    x = 42,366.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.