Home / 132,541.47-182,837.52-78,788.25

Finding the Fourth Proportional to 132,541.47, 182,837.52 and 78,788.25

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Solution

The fourth proportional to 132,541.47, 182,837.52 and 78,788.25 is: 108,686.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,541.47 : 182,837.52 = 78,788.25 : x
  2. Step 2: Convert to fraction form
    132,541.47/182,837.52 = 78,788.25/x
  3. Step 3: Cross multiply
    132,541.47x = 182,837.52 × 78,788.25
  4. Step 4: Simplify right side
    132,541.47x = 14,405,448,235.14
  5. Step 5: Solve for x
    x = 14,405,448,235.14/132,541.47
  6. Step 6: Final answer
    x = 108,686.35

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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.