Home / 263,543.12-363,686.96-142,681.36

Finding the Fourth Proportional to 263,543.12, 363,686.96 and 142,681.36

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Solution

The fourth proportional to 263,543.12, 363,686.96 and 142,681.36 is: 196,898.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,543.12 : 363,686.96 = 142,681.36 : x
  2. Step 2: Convert to fraction form
    263,543.12/363,686.96 = 142,681.36/x
  3. Step 3: Cross multiply
    263,543.12x = 363,686.96 × 142,681.36
  4. Step 4: Simplify right side
    263,543.12x = 51,891,350,067.07
  5. Step 5: Solve for x
    x = 51,891,350,067.07/263,543.12
  6. Step 6: Final answer
    x = 196,898.90

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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.