Home / 134,721.30-202,300.65-75,672.30

Finding the Fourth Proportional to 134,721.30, 202,300.65 and 75,672.30

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Solution

The fourth proportional to 134,721.30, 202,300.65 and 75,672.30 is: 113,631.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,721.30 : 202,300.65 = 75,672.30 : x
  2. Step 2: Convert to fraction form
    134,721.30/202,300.65 = 75,672.30/x
  3. Step 3: Cross multiply
    134,721.30x = 202,300.65 × 75,672.30
  4. Step 4: Simplify right side
    134,721.30x = 15,308,555,477.00
  5. Step 5: Solve for x
    x = 15,308,555,477.00/134,721.30
  6. Step 6: Final answer
    x = 113,631.29

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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.