Home / 197,143.31-272,058.02-106,499.27

Finding the Fourth Proportional to 197,143.31, 272,058.02 and 106,499.27

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Solution

The fourth proportional to 197,143.31, 272,058.02 and 106,499.27 is: 146,969.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,143.31 : 272,058.02 = 106,499.27 : x
  2. Step 2: Convert to fraction form
    197,143.31/272,058.02 = 106,499.27/x
  3. Step 3: Cross multiply
    197,143.31x = 272,058.02 × 106,499.27
  4. Step 4: Simplify right side
    197,143.31x = 28,973,980,675.29
  5. Step 5: Solve for x
    x = 28,973,980,675.29/197,143.31
  6. Step 6: Final answer
    x = 146,969.13

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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.