Home / 253,787.36-380,729.10-101,996.24

Finding the Fourth Proportional to 253,787.36, 380,729.10 and 101,996.24

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Solution

The fourth proportional to 253,787.36, 380,729.10 and 101,996.24 is: 153,013.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,787.36 : 380,729.10 = 101,996.24 : x
  2. Step 2: Convert to fraction form
    253,787.36/380,729.10 = 101,996.24/x
  3. Step 3: Cross multiply
    253,787.36x = 380,729.10 × 101,996.24
  4. Step 4: Simplify right side
    253,787.36x = 38,832,934,754.94
  5. Step 5: Solve for x
    x = 38,832,934,754.94/253,787.36
  6. Step 6: Final answer
    x = 153,013.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.