Home / 152,668.80-228,959.36-51,455.76

Finding the Fourth Proportional to 152,668.80, 228,959.36 and 51,455.76

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Solution

The fourth proportional to 152,668.80, 228,959.36 and 51,455.76 is: 77,168.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,668.80 : 228,959.36 = 51,455.76 : x
  2. Step 2: Convert to fraction form
    152,668.80/228,959.36 = 51,455.76/x
  3. Step 3: Cross multiply
    152,668.80x = 228,959.36 × 51,455.76
  4. Step 4: Simplify right side
    152,668.80x = 11,781,277,877.91
  5. Step 5: Solve for x
    x = 11,781,277,877.91/152,668.80
  6. Step 6: Final answer
    x = 77,168.86

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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.