Home / 197,258.76-272,212.02-107,829

Finding the Fourth Proportional to 197,258.76, 272,212.02 and 107,829

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Solution

The fourth proportional to 197,258.76, 272,212.02 and 107,829 is: 148,801.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,258.76 : 272,212.02 = 107,829 : x
  2. Step 2: Convert to fraction form
    197,258.76/272,212.02 = 107,829/x
  3. Step 3: Cross multiply
    197,258.76x = 272,212.02 × 107,829
  4. Step 4: Simplify right side
    197,258.76x = 29,352,349,904.58
  5. Step 5: Solve for x
    x = 29,352,349,904.58/197,258.76
  6. Step 6: Final answer
    x = 148,801.25

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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.