Home / 145,867.52-218,824.32-51,123.84

Finding the Fourth Proportional to 145,867.52, 218,824.32 and 51,123.84

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Solution

The fourth proportional to 145,867.52, 218,824.32 and 51,123.84 is: 76,693.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,867.52 : 218,824.32 = 51,123.84 : x
  2. Step 2: Convert to fraction form
    145,867.52/218,824.32 = 51,123.84/x
  3. Step 3: Cross multiply
    145,867.52x = 218,824.32 × 51,123.84
  4. Step 4: Simplify right side
    145,867.52x = 11,187,139,523.79
  5. Step 5: Solve for x
    x = 11,187,139,523.79/145,867.52
  6. Step 6: Final answer
    x = 76,693.84

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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.