Home / 152,613.38-228,952.91-51,421.50

Finding the Fourth Proportional to 152,613.38, 228,952.91 and 51,421.50

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Solution

The fourth proportional to 152,613.38, 228,952.91 and 51,421.50 is: 77,143.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,613.38 : 228,952.91 = 51,421.50 : x
  2. Step 2: Convert to fraction form
    152,613.38/228,952.91 = 51,421.50/x
  3. Step 3: Cross multiply
    152,613.38x = 228,952.91 × 51,421.50
  4. Step 4: Simplify right side
    152,613.38x = 11,773,102,190.12
  5. Step 5: Solve for x
    x = 11,773,102,190.12/152,613.38
  6. Step 6: Final answer
    x = 77,143.31

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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.