Home / 148,062.24-222,093.36-85,698.72

Finding the Fourth Proportional to 148,062.24, 222,093.36 and 85,698.72

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Solution

The fourth proportional to 148,062.24, 222,093.36 and 85,698.72 is: 128,548.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,062.24 : 222,093.36 = 85,698.72 : x
  2. Step 2: Convert to fraction form
    148,062.24/222,093.36 = 85,698.72/x
  3. Step 3: Cross multiply
    148,062.24x = 222,093.36 × 85,698.72
  4. Step 4: Simplify right side
    148,062.24x = 19,033,116,672.50
  5. Step 5: Solve for x
    x = 19,033,116,672.50/148,062.24
  6. Step 6: Final answer
    x = 128,548.08

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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.