Home / 90,338.32-135,553.74-43,006.96

Finding the Fourth Proportional to 90,338.32, 135,553.74 and 43,006.96

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Solution

The fourth proportional to 90,338.32, 135,553.74 and 43,006.96 is: 64,532.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,338.32 : 135,553.74 = 43,006.96 : x
  2. Step 2: Convert to fraction form
    90,338.32/135,553.74 = 43,006.96/x
  3. Step 3: Cross multiply
    90,338.32x = 135,553.74 × 43,006.96
  4. Step 4: Simplify right side
    90,338.32x = 5,829,754,274.03
  5. Step 5: Solve for x
    x = 5,829,754,274.03/90,338.32
  6. Step 6: Final answer
    x = 64,532.46

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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.