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Finding the Fourth Proportional to 183,697.67, 275,289.90 and 99,275.84

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Solution

The fourth proportional to 183,697.67, 275,289.90 and 99,275.84 is: 148,775.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,697.67 : 275,289.90 = 99,275.84 : x
  2. Step 2: Convert to fraction form
    183,697.67/275,289.90 = 99,275.84/x
  3. Step 3: Cross multiply
    183,697.67x = 275,289.90 × 99,275.84
  4. Step 4: Simplify right side
    183,697.67x = 27,329,636,066.02
  5. Step 5: Solve for x
    x = 27,329,636,066.02/183,697.67
  6. Step 6: Final answer
    x = 148,775.08

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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.