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Finding the Fourth Proportional to 119,156.72, 164,450.85 and 68,855.72

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Solution

The fourth proportional to 119,156.72, 164,450.85 and 68,855.72 is: 95,029.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,156.72 : 164,450.85 = 68,855.72 : x
  2. Step 2: Convert to fraction form
    119,156.72/164,450.85 = 68,855.72/x
  3. Step 3: Cross multiply
    119,156.72x = 164,450.85 × 68,855.72
  4. Step 4: Simplify right side
    119,156.72x = 11,323,381,681.36
  5. Step 5: Solve for x
    x = 11,323,381,681.36/119,156.72
  6. Step 6: Final answer
    x = 95,029.32

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1.5x scale

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.