Home / 165,719.10-248,587.29-47,407.80

Finding the Fourth Proportional to 165,719.10, 248,587.29 and 47,407.80

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Solution

The fourth proportional to 165,719.10, 248,587.29 and 47,407.80 is: 71,114.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,719.10 : 248,587.29 = 47,407.80 : x
  2. Step 2: Convert to fraction form
    165,719.10/248,587.29 = 47,407.80/x
  3. Step 3: Cross multiply
    165,719.10x = 248,587.29 × 47,407.80
  4. Step 4: Simplify right side
    165,719.10x = 11,784,976,526.86
  5. Step 5: Solve for x
    x = 11,784,976,526.86/165,719.10
  6. Step 6: Final answer
    x = 71,114.17

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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.