Home / 105,071.73-144,998.79-57,325.11

Finding the Fourth Proportional to 105,071.73, 144,998.79 and 57,325.11

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Solution

The fourth proportional to 105,071.73, 144,998.79 and 57,325.11 is: 79,108.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,071.73 : 144,998.79 = 57,325.11 : x
  2. Step 2: Convert to fraction form
    105,071.73/144,998.79 = 57,325.11/x
  3. Step 3: Cross multiply
    105,071.73x = 144,998.79 × 57,325.11
  4. Step 4: Simplify right side
    105,071.73x = 8,312,071,586.62
  5. Step 5: Solve for x
    x = 8,312,071,586.62/105,071.73
  6. Step 6: Final answer
    x = 79,108.54

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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.