Home / 259,877.36-358,630.80-140,645.36

Finding the Fourth Proportional to 259,877.36, 358,630.80 and 140,645.36

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Solution

The fourth proportional to 259,877.36, 358,630.80 and 140,645.36 is: 194,090.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,877.36 : 358,630.80 = 140,645.36 : x
  2. Step 2: Convert to fraction form
    259,877.36/358,630.80 = 140,645.36/x
  3. Step 3: Cross multiply
    259,877.36x = 358,630.80 × 140,645.36
  4. Step 4: Simplify right side
    259,877.36x = 50,439,757,973.09
  5. Step 5: Solve for x
    x = 50,439,757,973.09/259,877.36
  6. Step 6: Final answer
    x = 194,090.62

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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.