Home / 369,169.11-553,784.90-102,929.85

Finding the Fourth Proportional to 369,169.11, 553,784.90 and 102,929.85

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Solution

The fourth proportional to 369,169.11, 553,784.90 and 102,929.85 is: 154,403.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,169.11 : 553,784.90 = 102,929.85 : x
  2. Step 2: Convert to fraction form
    369,169.11/553,784.90 = 102,929.85/x
  3. Step 3: Cross multiply
    369,169.11x = 553,784.90 × 102,929.85
  4. Step 4: Simplify right side
    369,169.11x = 57,000,996,174.62
  5. Step 5: Solve for x
    x = 57,000,996,174.62/369,169.11
  6. Step 6: Final answer
    x = 154,403.48

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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.