Home / 152,173.31-228,073.01-85,473.23

Finding the Fourth Proportional to 152,173.31, 228,073.01 and 85,473.23

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Solution

The fourth proportional to 152,173.31, 228,073.01 and 85,473.23 is: 128,104.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,173.31 : 228,073.01 = 85,473.23 : x
  2. Step 2: Convert to fraction form
    152,173.31/228,073.01 = 85,473.23/x
  3. Step 3: Cross multiply
    152,173.31x = 228,073.01 × 85,473.23
  4. Step 4: Simplify right side
    152,173.31x = 19,494,136,840.52
  5. Step 5: Solve for x
    x = 19,494,136,840.52/152,173.31
  6. Step 6: Final answer
    x = 128,104.84

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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.