Home / 122,312.11-168,791.90-68,595.98

Finding the Fourth Proportional to 122,312.11, 168,791.90 and 68,595.98

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Solution

The fourth proportional to 122,312.11, 168,791.90 and 68,595.98 is: 94,663.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,312.11 : 168,791.90 = 68,595.98 : x
  2. Step 2: Convert to fraction form
    122,312.11/168,791.90 = 68,595.98/x
  3. Step 3: Cross multiply
    122,312.11x = 168,791.90 × 68,595.98
  4. Step 4: Simplify right side
    122,312.11x = 11,578,445,796.56
  5. Step 5: Solve for x
    x = 11,578,445,796.56/122,312.11
  6. Step 6: Final answer
    x = 94,663.12

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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.