Home / 146,995.20-202,836.48-83,320.32

Finding the Fourth Proportional to 146,995.20, 202,836.48 and 83,320.32

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Solution

The fourth proportional to 146,995.20, 202,836.48 and 83,320.32 is: 114,972.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,995.20 : 202,836.48 = 83,320.32 : x
  2. Step 2: Convert to fraction form
    146,995.20/202,836.48 = 83,320.32/x
  3. Step 3: Cross multiply
    146,995.20x = 202,836.48 × 83,320.32
  4. Step 4: Simplify right side
    146,995.20x = 16,900,400,421.27
  5. Step 5: Solve for x
    x = 16,900,400,421.27/146,995.20
  6. Step 6: Final answer
    x = 114,972.46

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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.