Home / 137,175.63-189,238.43-88,793.16

Finding the Fourth Proportional to 137,175.63, 189,238.43 and 88,793.16

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Solution

The fourth proportional to 137,175.63, 189,238.43 and 88,793.16 is: 122,493.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,175.63 : 189,238.43 = 88,793.16 : x
  2. Step 2: Convert to fraction form
    137,175.63/189,238.43 = 88,793.16/x
  3. Step 3: Cross multiply
    137,175.63x = 189,238.43 × 88,793.16
  4. Step 4: Simplify right side
    137,175.63x = 16,803,078,270.48
  5. Step 5: Solve for x
    x = 16,803,078,270.48/137,175.63
  6. Step 6: Final answer
    x = 122,493.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.