Home / 90,619.08-135,953.01-38,014.44

Finding the Fourth Proportional to 90,619.08, 135,953.01 and 38,014.44

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Solution

The fourth proportional to 90,619.08, 135,953.01 and 38,014.44 is: 57,031.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,619.08 : 135,953.01 = 38,014.44 : x
  2. Step 2: Convert to fraction form
    90,619.08/135,953.01 = 38,014.44/x
  3. Step 3: Cross multiply
    90,619.08x = 135,953.01 × 38,014.44
  4. Step 4: Simplify right side
    90,619.08x = 5,168,177,541.46
  5. Step 5: Solve for x
    x = 5,168,177,541.46/90,619.08
  6. Step 6: Final answer
    x = 57,031.89

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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.