Home / 152,533.48-228,664.10-77,611.72

Finding the Fourth Proportional to 152,533.48, 228,664.10 and 77,611.72

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Solution

The fourth proportional to 152,533.48, 228,664.10 and 77,611.72 is: 116,348.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,533.48 : 228,664.10 = 77,611.72 : x
  2. Step 2: Convert to fraction form
    152,533.48/228,664.10 = 77,611.72/x
  3. Step 3: Cross multiply
    152,533.48x = 228,664.10 × 77,611.72
  4. Step 4: Simplify right side
    152,533.48x = 17,747,014,103.25
  5. Step 5: Solve for x
    x = 17,747,014,103.25/152,533.48
  6. Step 6: Final answer
    x = 116,348.32

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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.