Home / 160,564.31-221,478.50-103,278.27

Finding the Fourth Proportional to 160,564.31, 221,478.50 and 103,278.27

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Solution

The fourth proportional to 160,564.31, 221,478.50 and 103,278.27 is: 142,459.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,564.31 : 221,478.50 = 103,278.27 : x
  2. Step 2: Convert to fraction form
    160,564.31/221,478.50 = 103,278.27/x
  3. Step 3: Cross multiply
    160,564.31x = 221,478.50 × 103,278.27
  4. Step 4: Simplify right side
    160,564.31x = 22,873,915,805.80
  5. Step 5: Solve for x
    x = 22,873,915,805.80/160,564.31
  6. Step 6: Final answer
    x = 142,459.53

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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.