Home / 142,142.24-213,212.31-57,882.60

Finding the Fourth Proportional to 142,142.24, 213,212.31 and 57,882.60

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Solution

The fourth proportional to 142,142.24, 213,212.31 and 57,882.60 is: 86,823.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,142.24 : 213,212.31 = 57,882.60 : x
  2. Step 2: Convert to fraction form
    142,142.24/213,212.31 = 57,882.60/x
  3. Step 3: Cross multiply
    142,142.24x = 213,212.31 × 57,882.60
  4. Step 4: Simplify right side
    142,142.24x = 12,341,282,854.81
  5. Step 5: Solve for x
    x = 12,341,282,854.81/142,142.24
  6. Step 6: Final answer
    x = 86,823.48

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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.