Home / 668,078.10-1,002,117.15-169,442.10

Finding the Fourth Proportional to 668,078.10, 1,002,117.15 and 169,442.10

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Solution

The fourth proportional to 668,078.10, 1,002,117.15 and 169,442.10 is: 254,163.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,078.10 : 1,002,117.15 = 169,442.10 : x
  2. Step 2: Convert to fraction form
    668,078.10/1,002,117.15 = 169,442.10/x
  3. Step 3: Cross multiply
    668,078.10x = 1,002,117.15 × 169,442.10
  4. Step 4: Simplify right side
    668,078.10x = 169,800,834,342.02
  5. Step 5: Solve for x
    x = 169,800,834,342.02/668,078.10
  6. Step 6: Final answer
    x = 254,163.15

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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.