Home / 90,346.48-135,537.90-31,184.44

Finding the Fourth Proportional to 90,346.48, 135,537.90 and 31,184.44

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Solution

The fourth proportional to 90,346.48, 135,537.90 and 31,184.44 is: 46,782.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,346.48 : 135,537.90 = 31,184.44 : x
  2. Step 2: Convert to fraction form
    90,346.48/135,537.90 = 31,184.44/x
  3. Step 3: Cross multiply
    90,346.48x = 135,537.90 × 31,184.44
  4. Step 4: Simplify right side
    90,346.48x = 4,226,673,510.28
  5. Step 5: Solve for x
    x = 4,226,673,510.28/90,346.48
  6. Step 6: Final answer
    x = 46,782.94

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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.