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Finding the Fourth Proportional to 148,491.55, 204,898.80 and 83,969.65

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Solution

The fourth proportional to 148,491.55, 204,898.80 and 83,969.65 is: 115,867.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,491.55 : 204,898.80 = 83,969.65 : x
  2. Step 2: Convert to fraction form
    148,491.55/204,898.80 = 83,969.65/x
  3. Step 3: Cross multiply
    148,491.55x = 204,898.80 × 83,969.65
  4. Step 4: Simplify right side
    148,491.55x = 17,205,280,521.42
  5. Step 5: Solve for x
    x = 17,205,280,521.42/148,491.55
  6. Step 6: Final answer
    x = 115,867.07

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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.