Home / 165,587.60-248,242.08-72,022.88

Finding the Fourth Proportional to 165,587.60, 248,242.08 and 72,022.88

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Solution

The fourth proportional to 165,587.60, 248,242.08 and 72,022.88 is: 107,973.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,587.60 : 248,242.08 = 72,022.88 : x
  2. Step 2: Convert to fraction form
    165,587.60/248,242.08 = 72,022.88/x
  3. Step 3: Cross multiply
    165,587.60x = 248,242.08 × 72,022.88
  4. Step 4: Simplify right side
    165,587.60x = 17,879,109,538.79
  5. Step 5: Solve for x
    x = 17,879,109,538.79/165,587.60
  6. Step 6: Final answer
    x = 107,973.72

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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.