Home / 142,071.31-196,058.82-77,541.14

Finding the Fourth Proportional to 142,071.31, 196,058.82 and 77,541.14

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Solution

The fourth proportional to 142,071.31, 196,058.82 and 77,541.14 is: 107,007.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,071.31 : 196,058.82 = 77,541.14 : x
  2. Step 2: Convert to fraction form
    142,071.31/196,058.82 = 77,541.14/x
  3. Step 3: Cross multiply
    142,071.31x = 196,058.82 × 77,541.14
  4. Step 4: Simplify right side
    142,071.31x = 15,202,623,869.87
  5. Step 5: Solve for x
    x = 15,202,623,869.87/142,071.31
  6. Step 6: Final answer
    x = 107,007.00

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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.