Home / 170,929.78-235,729.87-142,344.10

Finding the Fourth Proportional to 170,929.78, 235,729.87 and 142,344.10

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Solution

The fourth proportional to 170,929.78, 235,729.87 and 142,344.10 is: 196,307.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,929.78 : 235,729.87 = 142,344.10 : x
  2. Step 2: Convert to fraction form
    170,929.78/235,729.87 = 142,344.10/x
  3. Step 3: Cross multiply
    170,929.78x = 235,729.87 × 142,344.10
  4. Step 4: Simplify right side
    170,929.78x = 33,554,755,532.93
  5. Step 5: Solve for x
    x = 33,554,755,532.93/170,929.78
  6. Step 6: Final answer
    x = 196,307.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.