Home / 90,284.33-135,439.10-37,681.77

Finding the Fourth Proportional to 90,284.33, 135,439.10 and 37,681.77

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Solution

The fourth proportional to 90,284.33, 135,439.10 and 37,681.77 is: 56,527.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,284.33 : 135,439.10 = 37,681.77 : x
  2. Step 2: Convert to fraction form
    90,284.33/135,439.10 = 37,681.77/x
  3. Step 3: Cross multiply
    90,284.33x = 135,439.10 × 37,681.77
  4. Step 4: Simplify right side
    90,284.33x = 5,103,584,826.80
  5. Step 5: Solve for x
    x = 5,103,584,826.80/90,284.33
  6. Step 6: Final answer
    x = 56,527.91

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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.