Home / 146,920.48-202,756.56-90,350.56

Finding the Fourth Proportional to 146,920.48, 202,756.56 and 90,350.56

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Solution

The fourth proportional to 146,920.48, 202,756.56 and 90,350.56 is: 124,687.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,920.48 : 202,756.56 = 90,350.56 : x
  2. Step 2: Convert to fraction form
    146,920.48/202,756.56 = 90,350.56/x
  3. Step 3: Cross multiply
    146,920.48x = 202,756.56 × 90,350.56
  4. Step 4: Simplify right side
    146,920.48x = 18,319,168,739.67
  5. Step 5: Solve for x
    x = 18,319,168,739.67/146,920.48
  6. Step 6: Final answer
    x = 124,687.65

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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.