Home / 170,289.23-255,464.82-70,395.17

Finding the Fourth Proportional to 170,289.23, 255,464.82 and 70,395.17

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Solution

The fourth proportional to 170,289.23, 255,464.82 and 70,395.17 is: 105,605.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,289.23 : 255,464.82 = 70,395.17 : x
  2. Step 2: Convert to fraction form
    170,289.23/255,464.82 = 70,395.17/x
  3. Step 3: Cross multiply
    170,289.23x = 255,464.82 × 70,395.17
  4. Step 4: Simplify right side
    170,289.23x = 17,983,488,155.60
  5. Step 5: Solve for x
    x = 17,983,488,155.60/170,289.23
  6. Step 6: Final answer
    x = 105,605.56

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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.