Home / 148,658.28-205,012.78-97,650.55

Finding the Fourth Proportional to 148,658.28, 205,012.78 and 97,650.55

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Solution

The fourth proportional to 148,658.28, 205,012.78 and 97,650.55 is: 134,668.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,658.28 : 205,012.78 = 97,650.55 : x
  2. Step 2: Convert to fraction form
    148,658.28/205,012.78 = 97,650.55/x
  3. Step 3: Cross multiply
    148,658.28x = 205,012.78 × 97,650.55
  4. Step 4: Simplify right side
    148,658.28x = 20,019,610,724.03
  5. Step 5: Solve for x
    x = 20,019,610,724.03/148,658.28
  6. Step 6: Final answer
    x = 134,668.66

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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.