Home / 202,289.10-303,142.05-89,877.30

Finding the Fourth Proportional to 202,289.10, 303,142.05 and 89,877.30

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Solution

The fourth proportional to 202,289.10, 303,142.05 and 89,877.30 is: 134,686.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,289.10 : 303,142.05 = 89,877.30 : x
  2. Step 2: Convert to fraction form
    202,289.10/303,142.05 = 89,877.30/x
  3. Step 3: Cross multiply
    202,289.10x = 303,142.05 × 89,877.30
  4. Step 4: Simplify right side
    202,289.10x = 27,245,588,970.47
  5. Step 5: Solve for x
    x = 27,245,588,970.47/202,289.10
  6. Step 6: Final answer
    x = 134,686.39

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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.