Home / 97,889.04-134,968.68-82,755

Finding the Fourth Proportional to 97,889.04, 134,968.68 and 82,755

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Solution

The fourth proportional to 97,889.04, 134,968.68 and 82,755 is: 114,101.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,889.04 : 134,968.68 = 82,755 : x
  2. Step 2: Convert to fraction form
    97,889.04/134,968.68 = 82,755/x
  3. Step 3: Cross multiply
    97,889.04x = 134,968.68 × 82,755
  4. Step 4: Simplify right side
    97,889.04x = 11,169,333,113.40
  5. Step 5: Solve for x
    x = 11,169,333,113.40/97,889.04
  6. Step 6: Final answer
    x = 114,101.98

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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.