Home / 148,283.15-204,631.71-80,300.13

Finding the Fourth Proportional to 148,283.15, 204,631.71 and 80,300.13

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Solution

The fourth proportional to 148,283.15, 204,631.71 and 80,300.13 is: 110,814.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,283.15 : 204,631.71 = 80,300.13 : x
  2. Step 2: Convert to fraction form
    148,283.15/204,631.71 = 80,300.13/x
  3. Step 3: Cross multiply
    148,283.15x = 204,631.71 × 80,300.13
  4. Step 4: Simplify right side
    148,283.15x = 16,431,953,216.25
  5. Step 5: Solve for x
    x = 16,431,953,216.25/148,283.15
  6. Step 6: Final answer
    x = 110,814.71

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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.