Home / 135,424.04-203,058.30-72,166.28

Finding the Fourth Proportional to 135,424.04, 203,058.30 and 72,166.28

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Solution

The fourth proportional to 135,424.04, 203,058.30 and 72,166.28 is: 108,207.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,424.04 : 203,058.30 = 72,166.28 : x
  2. Step 2: Convert to fraction form
    135,424.04/203,058.30 = 72,166.28/x
  3. Step 3: Cross multiply
    135,424.04x = 203,058.30 × 72,166.28
  4. Step 4: Simplify right side
    135,424.04x = 14,653,962,134.12
  5. Step 5: Solve for x
    x = 14,653,962,134.12/135,424.04
  6. Step 6: Final answer
    x = 108,207.98

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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.