Home / 121,011.09-181,539.71-46,124.97

Finding the Fourth Proportional to 121,011.09, 181,539.71 and 46,124.97

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Solution

The fourth proportional to 121,011.09, 181,539.71 and 46,124.97 is: 69,196.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,011.09 : 181,539.71 = 46,124.97 : x
  2. Step 2: Convert to fraction form
    121,011.09/181,539.71 = 46,124.97/x
  3. Step 3: Cross multiply
    121,011.09x = 181,539.71 × 46,124.97
  4. Step 4: Simplify right side
    121,011.09x = 8,373,513,198.58
  5. Step 5: Solve for x
    x = 8,373,513,198.58/121,011.09
  6. Step 6: Final answer
    x = 69,196.25

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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.