Home / 97,476.33-145,881.83-81,699.18

Finding the Fourth Proportional to 97,476.33, 145,881.83 and 81,699.18

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Solution

The fourth proportional to 97,476.33, 145,881.83 and 81,699.18 is: 122,269.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,476.33 : 145,881.83 = 81,699.18 : x
  2. Step 2: Convert to fraction form
    97,476.33/145,881.83 = 81,699.18/x
  3. Step 3: Cross multiply
    97,476.33x = 145,881.83 × 81,699.18
  4. Step 4: Simplify right side
    97,476.33x = 11,918,425,887.90
  5. Step 5: Solve for x
    x = 11,918,425,887.90/97,476.33
  6. Step 6: Final answer
    x = 122,269.95

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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.