Home / 148,299.63-204,652.38-80,315.01

Finding the Fourth Proportional to 148,299.63, 204,652.38 and 80,315.01

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Solution

The fourth proportional to 148,299.63, 204,652.38 and 80,315.01 is: 110,834.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,299.63 : 204,652.38 = 80,315.01 : x
  2. Step 2: Convert to fraction form
    148,299.63/204,652.38 = 80,315.01/x
  3. Step 3: Cross multiply
    148,299.63x = 204,652.38 × 80,315.01
  4. Step 4: Simplify right side
    148,299.63x = 16,436,657,946.22
  5. Step 5: Solve for x
    x = 16,436,657,946.22/148,299.63
  6. Step 6: Final answer
    x = 110,834.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.