Home / 101,929.20-152,548.20-89,487.60

Finding the Fourth Proportional to 101,929.20, 152,548.20 and 89,487.60

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Solution

The fourth proportional to 101,929.20, 152,548.20 and 89,487.60 is: 133,927.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,929.20 : 152,548.20 = 89,487.60 : x
  2. Step 2: Convert to fraction form
    101,929.20/152,548.20 = 89,487.60/x
  3. Step 3: Cross multiply
    101,929.20x = 152,548.20 × 89,487.60
  4. Step 4: Simplify right side
    101,929.20x = 13,651,172,302.32
  5. Step 5: Solve for x
    x = 13,651,172,302.32/101,929.20
  6. Step 6: Final answer
    x = 133,927.98

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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.