Home / 148,938.21-223,281.83-64,634.90

Finding the Fourth Proportional to 148,938.21, 223,281.83 and 64,634.90

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Solution

The fourth proportional to 148,938.21, 223,281.83 and 64,634.90 is: 96,897.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,938.21 : 223,281.83 = 64,634.90 : x
  2. Step 2: Convert to fraction form
    148,938.21/223,281.83 = 64,634.90/x
  3. Step 3: Cross multiply
    148,938.21x = 223,281.83 × 64,634.90
  4. Step 4: Simplify right side
    148,938.21x = 14,431,797,799.05
  5. Step 5: Solve for x
    x = 14,431,797,799.05/148,938.21
  6. Step 6: Final answer
    x = 96,897.89

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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.