Home / 223,016.04-307,754.31-121,039.45

Finding the Fourth Proportional to 223,016.04, 307,754.31 and 121,039.45

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Solution

The fourth proportional to 223,016.04, 307,754.31 and 121,039.45 is: 167,030.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,016.04 : 307,754.31 = 121,039.45 : x
  2. Step 2: Convert to fraction form
    223,016.04/307,754.31 = 121,039.45/x
  3. Step 3: Cross multiply
    223,016.04x = 307,754.31 × 121,039.45
  4. Step 4: Simplify right side
    223,016.04x = 37,250,412,417.53
  5. Step 5: Solve for x
    x = 37,250,412,417.53/223,016.04
  6. Step 6: Final answer
    x = 167,030.19

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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.