Home / 148,283.56-204,631.32-81,215.56

Finding the Fourth Proportional to 148,283.56, 204,631.32 and 81,215.56

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Solution

The fourth proportional to 148,283.56, 204,631.32 and 81,215.56 is: 112,077.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,283.56 : 204,631.32 = 81,215.56 : x
  2. Step 2: Convert to fraction form
    148,283.56/204,631.32 = 81,215.56/x
  3. Step 3: Cross multiply
    148,283.56x = 204,631.32 × 81,215.56
  4. Step 4: Simplify right side
    148,283.56x = 16,619,247,247.34
  5. Step 5: Solve for x
    x = 16,619,247,247.34/148,283.56
  6. Step 6: Final answer
    x = 112,077.48

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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.