Home / 90,259.58-135,408.05-27,077.15

Finding the Fourth Proportional to 90,259.58, 135,408.05 and 27,077.15

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Solution

The fourth proportional to 90,259.58, 135,408.05 and 27,077.15 is: 40,621.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,259.58 : 135,408.05 = 27,077.15 : x
  2. Step 2: Convert to fraction form
    90,259.58/135,408.05 = 27,077.15/x
  3. Step 3: Cross multiply
    90,259.58x = 135,408.05 × 27,077.15
  4. Step 4: Simplify right side
    90,259.58x = 3,666,463,268.63
  5. Step 5: Solve for x
    x = 3,666,463,268.63/90,259.58
  6. Step 6: Final answer
    x = 40,621.32

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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.