Home / 163,077.83-225,025.66-90,479.56

Finding the Fourth Proportional to 163,077.83, 225,025.66 and 90,479.56

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Solution

The fourth proportional to 163,077.83, 225,025.66 and 90,479.56 is: 124,849.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,077.83 : 225,025.66 = 90,479.56 : x
  2. Step 2: Convert to fraction form
    163,077.83/225,025.66 = 90,479.56/x
  3. Step 3: Cross multiply
    163,077.83x = 225,025.66 × 90,479.56
  4. Step 4: Simplify right side
    163,077.83x = 20,360,222,705.51
  5. Step 5: Solve for x
    x = 20,360,222,705.51/163,077.83
  6. Step 6: Final answer
    x = 124,849.73

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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.