Home / 169,829.20-234,390.54-122,240.08

Finding the Fourth Proportional to 169,829.20, 234,390.54 and 122,240.08

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Solution

The fourth proportional to 169,829.20, 234,390.54 and 122,240.08 is: 168,710.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,829.20 : 234,390.54 = 122,240.08 : x
  2. Step 2: Convert to fraction form
    169,829.20/234,390.54 = 122,240.08/x
  3. Step 3: Cross multiply
    169,829.20x = 234,390.54 × 122,240.08
  4. Step 4: Simplify right side
    169,829.20x = 28,651,918,360.84
  5. Step 5: Solve for x
    x = 28,651,918,360.84/169,829.20
  6. Step 6: Final answer
    x = 168,710.20

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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.