Home / 218,730.18-301,826.07-123,253.86

Finding the Fourth Proportional to 218,730.18, 301,826.07 and 123,253.86

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Solution

The fourth proportional to 218,730.18, 301,826.07 and 123,253.86 is: 170,078.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,730.18 : 301,826.07 = 123,253.86 : x
  2. Step 2: Convert to fraction form
    218,730.18/301,826.07 = 123,253.86/x
  3. Step 3: Cross multiply
    218,730.18x = 301,826.07 × 123,253.86
  4. Step 4: Simplify right side
    218,730.18x = 37,201,228,176.13
  5. Step 5: Solve for x
    x = 37,201,228,176.13/218,730.18
  6. Step 6: Final answer
    x = 170,078.17

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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.