Home / 148,515.48-205,222.50-108,158.67

Finding the Fourth Proportional to 148,515.48, 205,222.50 and 108,158.67

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Solution

The fourth proportional to 148,515.48, 205,222.50 and 108,158.67 is: 149,456.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,515.48 : 205,222.50 = 108,158.67 : x
  2. Step 2: Convert to fraction form
    148,515.48/205,222.50 = 108,158.67/x
  3. Step 3: Cross multiply
    148,515.48x = 205,222.50 × 108,158.67
  4. Step 4: Simplify right side
    148,515.48x = 22,196,592,654.08
  5. Step 5: Solve for x
    x = 22,196,592,654.08/148,515.48
  6. Step 6: Final answer
    x = 149,456.42

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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.