Home / 148,315.06-204,679.89-81,247.06

Finding the Fourth Proportional to 148,315.06, 204,679.89 and 81,247.06

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Solution

The fourth proportional to 148,315.06, 204,679.89 and 81,247.06 is: 112,123.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,315.06 : 204,679.89 = 81,247.06 : x
  2. Step 2: Convert to fraction form
    148,315.06/204,679.89 = 81,247.06/x
  3. Step 3: Cross multiply
    148,315.06x = 204,679.89 × 81,247.06
  4. Step 4: Simplify right side
    148,315.06x = 16,629,639,303.62
  5. Step 5: Solve for x
    x = 16,629,639,303.62/148,315.06
  6. Step 6: Final answer
    x = 112,123.74

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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.