Home / 132,530.22-182,967.12-87,339.51

Finding the Fourth Proportional to 132,530.22, 182,967.12 and 87,339.51

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Solution

The fourth proportional to 132,530.22, 182,967.12 and 87,339.51 is: 120,578.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,530.22 : 182,967.12 = 87,339.51 : x
  2. Step 2: Convert to fraction form
    132,530.22/182,967.12 = 87,339.51/x
  3. Step 3: Cross multiply
    132,530.22x = 182,967.12 × 87,339.51
  4. Step 4: Simplify right side
    132,530.22x = 15,980,258,606.91
  5. Step 5: Solve for x
    x = 15,980,258,606.91/132,530.22
  6. Step 6: Final answer
    x = 120,578.22

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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.