Home / 90,307.44-135,548.64-43,593.12

Finding the Fourth Proportional to 90,307.44, 135,548.64 and 43,593.12

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Solution

The fourth proportional to 90,307.44, 135,548.64 and 43,593.12 is: 65,431.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,307.44 : 135,548.64 = 43,593.12 : x
  2. Step 2: Convert to fraction form
    90,307.44/135,548.64 = 43,593.12/x
  3. Step 3: Cross multiply
    90,307.44x = 135,548.64 × 43,593.12
  4. Step 4: Simplify right side
    90,307.44x = 5,908,988,129.36
  5. Step 5: Solve for x
    x = 5,908,988,129.36/90,307.44
  6. Step 6: Final answer
    x = 65,431.91

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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.