Home / 145,609.61-218,466.97-50,853.74

Finding the Fourth Proportional to 145,609.61, 218,466.97 and 50,853.74

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Solution

The fourth proportional to 145,609.61, 218,466.97 and 50,853.74 is: 76,298.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,609.61 : 218,466.97 = 50,853.74 : x
  2. Step 2: Convert to fraction form
    145,609.61/218,466.97 = 50,853.74/x
  3. Step 3: Cross multiply
    145,609.61x = 218,466.97 × 50,853.74
  4. Step 4: Simplify right side
    145,609.61x = 11,109,862,490.97
  5. Step 5: Solve for x
    x = 11,109,862,490.97/145,609.61
  6. Step 6: Final answer
    x = 76,298.97

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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.