Home / 164,858.40-227,440.20-107,565.12

Finding the Fourth Proportional to 164,858.40, 227,440.20 and 107,565.12

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Solution

The fourth proportional to 164,858.40, 227,440.20 and 107,565.12 is: 148,397.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,858.40 : 227,440.20 = 107,565.12 : x
  2. Step 2: Convert to fraction form
    164,858.40/227,440.20 = 107,565.12/x
  3. Step 3: Cross multiply
    164,858.40x = 227,440.20 × 107,565.12
  4. Step 4: Simplify right side
    164,858.40x = 24,464,632,405.82
  5. Step 5: Solve for x
    x = 24,464,632,405.82/164,858.40
  6. Step 6: Final answer
    x = 148,397.85

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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.