Home / 102,403.89-153,618.12-96,805.17

Finding the Fourth Proportional to 102,403.89, 153,618.12 and 96,805.17

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Solution

The fourth proportional to 102,403.89, 153,618.12 and 96,805.17 is: 145,219.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,403.89 : 153,618.12 = 96,805.17 : x
  2. Step 2: Convert to fraction form
    102,403.89/153,618.12 = 96,805.17/x
  3. Step 3: Cross multiply
    102,403.89x = 153,618.12 × 96,805.17
  4. Step 4: Simplify right side
    102,403.89x = 14,871,028,221.68
  5. Step 5: Solve for x
    x = 14,871,028,221.68/102,403.89
  6. Step 6: Final answer
    x = 145,219.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.