Home / 263,726.13-363,940.60-142,869.77

Finding the Fourth Proportional to 263,726.13, 363,940.60 and 142,869.77

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Solution

The fourth proportional to 263,726.13, 363,940.60 and 142,869.77 is: 197,159.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,726.13 : 363,940.60 = 142,869.77 : x
  2. Step 2: Convert to fraction form
    263,726.13/363,940.60 = 142,869.77/x
  3. Step 3: Cross multiply
    263,726.13x = 363,940.60 × 142,869.77
  4. Step 4: Simplify right side
    263,726.13x = 51,996,111,489.21
  5. Step 5: Solve for x
    x = 51,996,111,489.21/263,726.13
  6. Step 6: Final answer
    x = 197,159.50

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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.