Home / 90,483.36-135,726.18-34,308.36

Finding the Fourth Proportional to 90,483.36, 135,726.18 and 34,308.36

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Solution

The fourth proportional to 90,483.36, 135,726.18 and 34,308.36 is: 51,462.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,483.36 : 135,726.18 = 34,308.36 : x
  2. Step 2: Convert to fraction form
    90,483.36/135,726.18 = 34,308.36/x
  3. Step 3: Cross multiply
    90,483.36x = 135,726.18 × 34,308.36
  4. Step 4: Simplify right side
    90,483.36x = 4,656,542,644.86
  5. Step 5: Solve for x
    x = 4,656,542,644.86/90,483.36
  6. Step 6: Final answer
    x = 51,462.97

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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.