Home / 197,721.60-272,875.36-112,851.44

Finding the Fourth Proportional to 197,721.60, 272,875.36 and 112,851.44

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Solution

The fourth proportional to 197,721.60, 272,875.36 and 112,851.44 is: 155,746.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,721.60 : 272,875.36 = 112,851.44 : x
  2. Step 2: Convert to fraction form
    197,721.60/272,875.36 = 112,851.44/x
  3. Step 3: Cross multiply
    197,721.60x = 272,875.36 × 112,851.44
  4. Step 4: Simplify right side
    197,721.60x = 30,794,377,316.52
  5. Step 5: Solve for x
    x = 30,794,377,316.52/197,721.60
  6. Step 6: Final answer
    x = 155,746.15

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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.