Home / 165,666.28-248,357.10-57,581.60

Finding the Fourth Proportional to 165,666.28, 248,357.10 and 57,581.60

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Solution

The fourth proportional to 165,666.28, 248,357.10 and 57,581.60 is: 86,322.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,666.28 : 248,357.10 = 57,581.60 : x
  2. Step 2: Convert to fraction form
    165,666.28/248,357.10 = 57,581.60/x
  3. Step 3: Cross multiply
    165,666.28x = 248,357.10 × 57,581.60
  4. Step 4: Simplify right side
    165,666.28x = 14,300,799,189.36
  5. Step 5: Solve for x
    x = 14,300,799,189.36/165,666.28
  6. Step 6: Final answer
    x = 86,322.93

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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.