Home / 90,299.39-135,453.95-37,655.87

Finding the Fourth Proportional to 90,299.39, 135,453.95 and 37,655.87

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Solution

The fourth proportional to 90,299.39, 135,453.95 and 37,655.87 is: 56,485.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,299.39 : 135,453.95 = 37,655.87 : x
  2. Step 2: Convert to fraction form
    90,299.39/135,453.95 = 37,655.87/x
  3. Step 3: Cross multiply
    90,299.39x = 135,453.95 × 37,655.87
  4. Step 4: Simplify right side
    90,299.39x = 5,100,636,332.19
  5. Step 5: Solve for x
    x = 5,100,636,332.19/90,299.39
  6. Step 6: Final answer
    x = 56,485.83

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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.