Home / 142,169.16-213,327.56-57,991.08

Finding the Fourth Proportional to 142,169.16, 213,327.56 and 57,991.08

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Solution

The fourth proportional to 142,169.16, 213,327.56 and 57,991.08 is: 87,016.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,169.16 : 213,327.56 = 57,991.08 : x
  2. Step 2: Convert to fraction form
    142,169.16/213,327.56 = 57,991.08/x
  3. Step 3: Cross multiply
    142,169.16x = 213,327.56 × 57,991.08
  4. Step 4: Simplify right side
    142,169.16x = 12,371,095,598.16
  5. Step 5: Solve for x
    x = 12,371,095,598.16/142,169.16
  6. Step 6: Final answer
    x = 87,016.73

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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.