Home / 253,867.64-380,758.44-118,945.76

Finding the Fourth Proportional to 253,867.64, 380,758.44 and 118,945.76

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Solution

The fourth proportional to 253,867.64, 380,758.44 and 118,945.76 is: 178,398.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,867.64 : 380,758.44 = 118,945.76 : x
  2. Step 2: Convert to fraction form
    253,867.64/380,758.44 = 118,945.76/x
  3. Step 3: Cross multiply
    253,867.64x = 380,758.44 × 118,945.76
  4. Step 4: Simplify right side
    253,867.64x = 45,289,602,022.21
  5. Step 5: Solve for x
    x = 45,289,602,022.21/253,867.64
  6. Step 6: Final answer
    x = 178,398.48

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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.