Home / 119,248.72-164,543.88-68,938

Finding the Fourth Proportional to 119,248.72, 164,543.88 and 68,938

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Solution

The fourth proportional to 119,248.72, 164,543.88 and 68,938 is: 95,123.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,248.72 : 164,543.88 = 68,938 : x
  2. Step 2: Convert to fraction form
    119,248.72/164,543.88 = 68,938/x
  3. Step 3: Cross multiply
    119,248.72x = 164,543.88 × 68,938
  4. Step 4: Simplify right side
    119,248.72x = 11,343,325,999.44
  5. Step 5: Solve for x
    x = 11,343,325,999.44/119,248.72
  6. Step 6: Final answer
    x = 95,123.25

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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.