Home / 131,184.57-196,783-42,445.02

Finding the Fourth Proportional to 131,184.57, 196,783 and 42,445.02

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Solution

The fourth proportional to 131,184.57, 196,783 and 42,445.02 is: 63,669.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,184.57 : 196,783 = 42,445.02 : x
  2. Step 2: Convert to fraction form
    131,184.57/196,783 = 42,445.02/x
  3. Step 3: Cross multiply
    131,184.57x = 196,783 × 42,445.02
  4. Step 4: Simplify right side
    131,184.57x = 8,352,458,370.66
  5. Step 5: Solve for x
    x = 8,352,458,370.66/131,184.57
  6. Step 6: Final answer
    x = 63,669.52

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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.