Home / 132,603.80-182,997.08-72,178.36

Finding the Fourth Proportional to 132,603.80, 182,997.08 and 72,178.36

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Solution

The fourth proportional to 132,603.80, 182,997.08 and 72,178.36 is: 99,608.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,603.80 : 182,997.08 = 72,178.36 : x
  2. Step 2: Convert to fraction form
    132,603.80/182,997.08 = 72,178.36/x
  3. Step 3: Cross multiply
    132,603.80x = 182,997.08 × 72,178.36
  4. Step 4: Simplify right side
    132,603.80x = 13,208,429,119.19
  5. Step 5: Solve for x
    x = 13,208,429,119.19/132,603.80
  6. Step 6: Final answer
    x = 99,608.22

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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.