Home / 263,530.86-363,670.07-142,669.05

Finding the Fourth Proportional to 263,530.86, 363,670.07 and 142,669.05

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Solution

The fourth proportional to 263,530.86, 363,670.07 and 142,669.05 is: 196,881.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,530.86 : 363,670.07 = 142,669.05 : x
  2. Step 2: Convert to fraction form
    263,530.86/363,670.07 = 142,669.05/x
  3. Step 3: Cross multiply
    263,530.86x = 363,670.07 × 142,669.05
  4. Step 4: Simplify right side
    263,530.86x = 51,884,462,686.99
  5. Step 5: Solve for x
    x = 51,884,462,686.99/263,530.86
  6. Step 6: Final answer
    x = 196,881.92

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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.