Home / 165,601.60-248,567.20-76,875.20

Finding the Fourth Proportional to 165,601.60, 248,567.20 and 76,875.20

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Solution

The fourth proportional to 165,601.60, 248,567.20 and 76,875.20 is: 115,389.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,601.60 : 248,567.20 = 76,875.20 : x
  2. Step 2: Convert to fraction form
    165,601.60/248,567.20 = 76,875.20/x
  3. Step 3: Cross multiply
    165,601.60x = 248,567.20 × 76,875.20
  4. Step 4: Simplify right side
    165,601.60x = 19,108,653,213.44
  5. Step 5: Solve for x
    x = 19,108,653,213.44/165,601.60
  6. Step 6: Final answer
    x = 115,389.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.