Home / 105,072.06-144,998.96-57,325.26

Finding the Fourth Proportional to 105,072.06, 144,998.96 and 57,325.26

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Solution

The fourth proportional to 105,072.06, 144,998.96 and 57,325.26 is: 79,108.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,072.06 : 144,998.96 = 57,325.26 : x
  2. Step 2: Convert to fraction form
    105,072.06/144,998.96 = 57,325.26/x
  3. Step 3: Cross multiply
    105,072.06x = 144,998.96 × 57,325.26
  4. Step 4: Simplify right side
    105,072.06x = 8,312,103,081.73
  5. Step 5: Solve for x
    x = 8,312,103,081.73/105,072.06
  6. Step 6: Final answer
    x = 79,108.60

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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.