Home / 223,649.74-308,637.38-121,675.17

Finding the Fourth Proportional to 223,649.74, 308,637.38 and 121,675.17

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Solution

The fourth proportional to 223,649.74, 308,637.38 and 121,675.17 is: 167,912.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,649.74 : 308,637.38 = 121,675.17 : x
  2. Step 2: Convert to fraction form
    223,649.74/308,637.38 = 121,675.17/x
  3. Step 3: Cross multiply
    223,649.74x = 308,637.38 × 121,675.17
  4. Step 4: Simplify right side
    223,649.74x = 37,553,505,679.85
  5. Step 5: Solve for x
    x = 37,553,505,679.85/223,649.74
  6. Step 6: Final answer
    x = 167,912.14

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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.