Home / 152,702.36-228,865.62-72,782.36

Finding the Fourth Proportional to 152,702.36, 228,865.62 and 72,782.36

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Solution

The fourth proportional to 152,702.36, 228,865.62 and 72,782.36 is: 109,083.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,702.36 : 228,865.62 = 72,782.36 : x
  2. Step 2: Convert to fraction form
    152,702.36/228,865.62 = 72,782.36/x
  3. Step 3: Cross multiply
    152,702.36x = 228,865.62 × 72,782.36
  4. Step 4: Simplify right side
    152,702.36x = 16,657,379,946.46
  5. Step 5: Solve for x
    x = 16,657,379,946.46/152,702.36
  6. Step 6: Final answer
    x = 109,083.97

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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.