Home / 163,583.64-225,728.16-90,974.76

Finding the Fourth Proportional to 163,583.64, 225,728.16 and 90,974.76

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Solution

The fourth proportional to 163,583.64, 225,728.16 and 90,974.76 is: 125,535.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,583.64 : 225,728.16 = 90,974.76 : x
  2. Step 2: Convert to fraction form
    163,583.64/225,728.16 = 90,974.76/x
  3. Step 3: Cross multiply
    163,583.64x = 225,728.16 × 90,974.76
  4. Step 4: Simplify right side
    163,583.64x = 20,535,565,181.24
  5. Step 5: Solve for x
    x = 20,535,565,181.24/163,583.64
  6. Step 6: Final answer
    x = 125,535.57

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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.