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Finding the Fourth Proportional to 666,166.15, 999,239.95 and 160,722.89

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Solution

The fourth proportional to 666,166.15, 999,239.95 and 160,722.89 is: 241,082.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,166.15 : 999,239.95 = 160,722.89 : x
  2. Step 2: Convert to fraction form
    666,166.15/999,239.95 = 160,722.89/x
  3. Step 3: Cross multiply
    666,166.15x = 999,239.95 × 160,722.89
  4. Step 4: Simplify right side
    666,166.15x = 160,600,732,567.46
  5. Step 5: Solve for x
    x = 160,600,732,567.46/666,166.15
  6. Step 6: Final answer
    x = 241,082.10

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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.