Home / 239,179.20-358,077.60-145,867.20

Finding the Fourth Proportional to 239,179.20, 358,077.60 and 145,867.20

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Solution

The fourth proportional to 239,179.20, 358,077.60 and 145,867.20 is: 218,379.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,179.20 : 358,077.60 = 145,867.20 : x
  2. Step 2: Convert to fraction form
    239,179.20/358,077.60 = 145,867.20/x
  3. Step 3: Cross multiply
    239,179.20x = 358,077.60 × 145,867.20
  4. Step 4: Simplify right side
    239,179.20x = 52,231,776,894.72
  5. Step 5: Solve for x
    x = 52,231,776,894.72/239,179.20
  6. Step 6: Final answer
    x = 218,379.26

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1.5x scale

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.