Home / 105,071.97-144,999.82-57,326.39

Finding the Fourth Proportional to 105,071.97, 144,999.82 and 57,326.39

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Solution

The fourth proportional to 105,071.97, 144,999.82 and 57,326.39 is: 79,110.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,071.97 : 144,999.82 = 57,326.39 : x
  2. Step 2: Convert to fraction form
    105,071.97/144,999.82 = 57,326.39/x
  3. Step 3: Cross multiply
    105,071.97x = 144,999.82 × 57,326.39
  4. Step 4: Simplify right side
    105,071.97x = 8,312,316,231.25
  5. Step 5: Solve for x
    x = 8,312,316,231.25/105,071.97
  6. Step 6: Final answer
    x = 79,110.69

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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.