Home / 142,556.27-213,686.75-117,331.29

Finding the Fourth Proportional to 142,556.27, 213,686.75 and 117,331.29

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Solution

The fourth proportional to 142,556.27, 213,686.75 and 117,331.29 is: 175,875.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,556.27 : 213,686.75 = 117,331.29 : x
  2. Step 2: Convert to fraction form
    142,556.27/213,686.75 = 117,331.29/x
  3. Step 3: Cross multiply
    142,556.27x = 213,686.75 × 117,331.29
  4. Step 4: Simplify right side
    142,556.27x = 25,072,141,446.75
  5. Step 5: Solve for x
    x = 25,072,141,446.75/142,556.27
  6. Step 6: Final answer
    x = 175,875.41

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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.