Home / 134,868.48-202,328.73-51,756

Finding the Fourth Proportional to 134,868.48, 202,328.73 and 51,756

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Solution

The fourth proportional to 134,868.48, 202,328.73 and 51,756 is: 77,643.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,868.48 : 202,328.73 = 51,756 : x
  2. Step 2: Convert to fraction form
    134,868.48/202,328.73 = 51,756/x
  3. Step 3: Cross multiply
    134,868.48x = 202,328.73 × 51,756
  4. Step 4: Simplify right side
    134,868.48x = 10,471,725,749.88
  5. Step 5: Solve for x
    x = 10,471,725,749.88/134,868.48
  6. Step 6: Final answer
    x = 77,643.98

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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.