Home / 143,301.48-197,694.70-89,493.08

Finding the Fourth Proportional to 143,301.48, 197,694.70 and 89,493.08

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Solution

The fourth proportional to 143,301.48, 197,694.70 and 89,493.08 is: 123,462.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,301.48 : 197,694.70 = 89,493.08 : x
  2. Step 2: Convert to fraction form
    143,301.48/197,694.70 = 89,493.08/x
  3. Step 3: Cross multiply
    143,301.48x = 197,694.70 × 89,493.08
  4. Step 4: Simplify right side
    143,301.48x = 17,692,307,602.68
  5. Step 5: Solve for x
    x = 17,692,307,602.68/143,301.48
  6. Step 6: Final answer
    x = 123,462.14

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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.