Home / 155,795.20-215,025.36-148,695.64

Finding the Fourth Proportional to 155,795.20, 215,025.36 and 148,695.64

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Solution

The fourth proportional to 155,795.20, 215,025.36 and 148,695.64 is: 205,226.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,795.20 : 215,025.36 = 148,695.64 : x
  2. Step 2: Convert to fraction form
    155,795.20/215,025.36 = 148,695.64/x
  3. Step 3: Cross multiply
    155,795.20x = 215,025.36 × 148,695.64
  4. Step 4: Simplify right side
    155,795.20x = 31,973,333,521.43
  5. Step 5: Solve for x
    x = 31,973,333,521.43/155,795.20
  6. Step 6: Final answer
    x = 205,226.69

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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.