Home / 145,976.74-218,867.88-52,470.34

Finding the Fourth Proportional to 145,976.74, 218,867.88 and 52,470.34

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Solution

The fourth proportional to 145,976.74, 218,867.88 and 52,470.34 is: 78,670.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,976.74 : 218,867.88 = 52,470.34 : x
  2. Step 2: Convert to fraction form
    145,976.74/218,867.88 = 52,470.34/x
  3. Step 3: Cross multiply
    145,976.74x = 218,867.88 × 52,470.34
  4. Step 4: Simplify right side
    145,976.74x = 11,484,072,078.68
  5. Step 5: Solve for x
    x = 11,484,072,078.68/145,976.74
  6. Step 6: Final answer
    x = 78,670.56

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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.