Home / 121,302.84-181,965.20-46,419.96

Finding the Fourth Proportional to 121,302.84, 181,965.20 and 46,419.96

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Solution

The fourth proportional to 121,302.84, 181,965.20 and 46,419.96 is: 69,634.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,302.84 : 181,965.20 = 46,419.96 : x
  2. Step 2: Convert to fraction form
    121,302.84/181,965.20 = 46,419.96/x
  3. Step 3: Cross multiply
    121,302.84x = 181,965.20 × 46,419.96
  4. Step 4: Simplify right side
    121,302.84x = 8,446,817,305.39
  5. Step 5: Solve for x
    x = 8,446,817,305.39/121,302.84
  6. Step 6: Final answer
    x = 69,634.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.