Home / 263,605.50-363,775.05-142,746.75

Finding the Fourth Proportional to 263,605.50, 363,775.05 and 142,746.75

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Solution

The fourth proportional to 263,605.50, 363,775.05 and 142,746.75 is: 196,990.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,605.50 : 363,775.05 = 142,746.75 : x
  2. Step 2: Convert to fraction form
    263,605.50/363,775.05 = 142,746.75/x
  3. Step 3: Cross multiply
    263,605.50x = 363,775.05 × 142,746.75
  4. Step 4: Simplify right side
    263,605.50x = 51,927,706,118.59
  5. Step 5: Solve for x
    x = 51,927,706,118.59/263,605.50
  6. Step 6: Final answer
    x = 196,990.22

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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.