Home / 165,637.28-248,421-53,327.54

Finding the Fourth Proportional to 165,637.28, 248,421 and 53,327.54

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Solution

The fourth proportional to 165,637.28, 248,421 and 53,327.54 is: 79,980.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,637.28 : 248,421 = 53,327.54 : x
  2. Step 2: Convert to fraction form
    165,637.28/248,421 = 53,327.54/x
  3. Step 3: Cross multiply
    165,637.28x = 248,421 × 53,327.54
  4. Step 4: Simplify right side
    165,637.28x = 13,247,680,814.34
  5. Step 5: Solve for x
    x = 13,247,680,814.34/165,637.28
  6. Step 6: Final answer
    x = 79,980.07

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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.