Home / 148,345.56-204,737.76-84,687.12

Finding the Fourth Proportional to 148,345.56, 204,737.76 and 84,687.12

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Solution

The fourth proportional to 148,345.56, 204,737.76 and 84,687.12 is: 116,880.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,345.56 : 204,737.76 = 84,687.12 : x
  2. Step 2: Convert to fraction form
    148,345.56/204,737.76 = 84,687.12/x
  3. Step 3: Cross multiply
    148,345.56x = 204,737.76 × 84,687.12
  4. Step 4: Simplify right side
    148,345.56x = 17,338,651,249.65
  5. Step 5: Solve for x
    x = 17,338,651,249.65/148,345.56
  6. Step 6: Final answer
    x = 116,880.15

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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.