Home / 224,420.51-309,654.92-142,781.18

Finding the Fourth Proportional to 224,420.51, 309,654.92 and 142,781.18

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Solution

The fourth proportional to 224,420.51, 309,654.92 and 142,781.18 is: 197,009.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,420.51 : 309,654.92 = 142,781.18 : x
  2. Step 2: Convert to fraction form
    224,420.51/309,654.92 = 142,781.18/x
  3. Step 3: Cross multiply
    224,420.51x = 309,654.92 × 142,781.18
  4. Step 4: Simplify right side
    224,420.51x = 44,212,892,608.23
  5. Step 5: Solve for x
    x = 44,212,892,608.23/224,420.51
  6. Step 6: Final answer
    x = 197,009.15

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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.