Home / 197,145.31-272,060.78-106,501.27

Finding the Fourth Proportional to 197,145.31, 272,060.78 and 106,501.27

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Solution

The fourth proportional to 197,145.31, 272,060.78 and 106,501.27 is: 146,971.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,145.31 : 272,060.78 = 106,501.27 : x
  2. Step 2: Convert to fraction form
    197,145.31/272,060.78 = 106,501.27/x
  3. Step 3: Cross multiply
    197,145.31x = 272,060.78 × 106,501.27
  4. Step 4: Simplify right side
    197,145.31x = 28,974,818,587.19
  5. Step 5: Solve for x
    x = 28,974,818,587.19/197,145.31
  6. Step 6: Final answer
    x = 146,971.89

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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.