Home / 148,500.34-204,929.60-80,516.63

Finding the Fourth Proportional to 148,500.34, 204,929.60 and 80,516.63

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Solution

The fourth proportional to 148,500.34, 204,929.60 and 80,516.63 is: 111,112.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,500.34 : 204,929.60 = 80,516.63 : x
  2. Step 2: Convert to fraction form
    148,500.34/204,929.60 = 80,516.63/x
  3. Step 3: Cross multiply
    148,500.34x = 204,929.60 × 80,516.63
  4. Step 4: Simplify right side
    148,500.34x = 16,500,240,888.99
  5. Step 5: Solve for x
    x = 16,500,240,888.99/148,500.34
  6. Step 6: Final answer
    x = 111,112.48

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1.5x scale

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.