Home / 90,224.19-135,066.65-54,577.64

Finding the Fourth Proportional to 90,224.19, 135,066.65 and 54,577.64

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Solution

The fourth proportional to 90,224.19, 135,066.65 and 54,577.64 is: 81,703.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,224.19 : 135,066.65 = 54,577.64 : x
  2. Step 2: Convert to fraction form
    90,224.19/135,066.65 = 54,577.64/x
  3. Step 3: Cross multiply
    90,224.19x = 135,066.65 × 54,577.64
  4. Step 4: Simplify right side
    90,224.19x = 7,371,619,064.48
  5. Step 5: Solve for x
    x = 7,371,619,064.48/90,224.19
  6. Step 6: Final answer
    x = 81,703.36

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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.