Home / 132,530.65-182,888.13-72,099.75

Finding the Fourth Proportional to 132,530.65, 182,888.13 and 72,099.75

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Solution

The fourth proportional to 132,530.65, 182,888.13 and 72,099.75 is: 99,495.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,530.65 : 182,888.13 = 72,099.75 : x
  2. Step 2: Convert to fraction form
    132,530.65/182,888.13 = 72,099.75/x
  3. Step 3: Cross multiply
    132,530.65x = 182,888.13 × 72,099.75
  4. Step 4: Simplify right side
    132,530.65x = 13,186,188,450.97
  5. Step 5: Solve for x
    x = 13,186,188,450.97/132,530.65
  6. Step 6: Final answer
    x = 99,495.39

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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.