Home / 142,958.56-197,153.64-89,248.48

Finding the Fourth Proportional to 142,958.56, 197,153.64 and 89,248.48

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Solution

The fourth proportional to 142,958.56, 197,153.64 and 89,248.48 is: 123,082.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,958.56 : 197,153.64 = 89,248.48 : x
  2. Step 2: Convert to fraction form
    142,958.56/197,153.64 = 89,248.48/x
  3. Step 3: Cross multiply
    142,958.56x = 197,153.64 × 89,248.48
  4. Step 4: Simplify right side
    142,958.56x = 17,595,662,696.47
  5. Step 5: Solve for x
    x = 17,595,662,696.47/142,958.56
  6. Step 6: Final answer
    x = 123,082.26

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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.