Home / 132,552.72-182,920.41-72,121.32

Finding the Fourth Proportional to 132,552.72, 182,920.41 and 72,121.32

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Solution

The fourth proportional to 132,552.72, 182,920.41 and 72,121.32 is: 99,526.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,552.72 : 182,920.41 = 72,121.32 : x
  2. Step 2: Convert to fraction form
    132,552.72/182,920.41 = 72,121.32/x
  3. Step 3: Cross multiply
    132,552.72x = 182,920.41 × 72,121.32
  4. Step 4: Simplify right side
    132,552.72x = 13,192,461,424.14
  5. Step 5: Solve for x
    x = 13,192,461,424.14/132,552.72
  6. Step 6: Final answer
    x = 99,526.15

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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.