Home / 169,913.30-234,486.36-93,438.22

Finding the Fourth Proportional to 169,913.30, 234,486.36 and 93,438.22

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Solution

The fourth proportional to 169,913.30, 234,486.36 and 93,438.22 is: 128,948.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,913.30 : 234,486.36 = 93,438.22 : x
  2. Step 2: Convert to fraction form
    169,913.30/234,486.36 = 93,438.22/x
  3. Step 3: Cross multiply
    169,913.30x = 234,486.36 × 93,438.22
  4. Step 4: Simplify right side
    169,913.30x = 21,909,988,092.68
  5. Step 5: Solve for x
    x = 21,909,988,092.68/169,913.30
  6. Step 6: Final answer
    x = 128,948.05

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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.