Home / 161,240.52-222,572.31-121,070.35

Finding the Fourth Proportional to 161,240.52, 222,572.31 and 121,070.35

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Solution

The fourth proportional to 161,240.52, 222,572.31 and 121,070.35 is: 167,122.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,240.52 : 222,572.31 = 121,070.35 : x
  2. Step 2: Convert to fraction form
    161,240.52/222,572.31 = 121,070.35/x
  3. Step 3: Cross multiply
    161,240.52x = 222,572.31 × 121,070.35
  4. Step 4: Simplify right side
    161,240.52x = 26,946,906,044.24
  5. Step 5: Solve for x
    x = 26,946,906,044.24/161,240.52
  6. Step 6: Final answer
    x = 167,122.42

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1.5x scale

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.