Home / 197,820.51-272,992.35-107,177.10

Finding the Fourth Proportional to 197,820.51, 272,992.35 and 107,177.10

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Solution

The fourth proportional to 197,820.51, 272,992.35 and 107,177.10 is: 147,904.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,820.51 : 272,992.35 = 107,177.10 : x
  2. Step 2: Convert to fraction form
    197,820.51/272,992.35 = 107,177.10/x
  3. Step 3: Cross multiply
    197,820.51x = 272,992.35 × 107,177.10
  4. Step 4: Simplify right side
    197,820.51x = 29,258,528,395.19
  5. Step 5: Solve for x
    x = 29,258,528,395.19/197,820.51
  6. Step 6: Final answer
    x = 147,904.42

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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.