Home / 255,979.09-353,248.72-141,258.79

Finding the Fourth Proportional to 255,979.09, 353,248.72 and 141,258.79

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Solution

The fourth proportional to 255,979.09, 353,248.72 and 141,258.79 is: 194,935.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,979.09 : 353,248.72 = 141,258.79 : x
  2. Step 2: Convert to fraction form
    255,979.09/353,248.72 = 141,258.79/x
  3. Step 3: Cross multiply
    255,979.09x = 353,248.72 × 141,258.79
  4. Step 4: Simplify right side
    255,979.09x = 49,899,485,254.93
  5. Step 5: Solve for x
    x = 49,899,485,254.93/255,979.09
  6. Step 6: Final answer
    x = 194,935.79

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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.