Home / 105,053.08-144,974.30-57,307.43

Finding the Fourth Proportional to 105,053.08, 144,974.30 and 57,307.43

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Solution

The fourth proportional to 105,053.08, 144,974.30 and 57,307.43 is: 79,084.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,053.08 : 144,974.30 = 57,307.43 : x
  2. Step 2: Convert to fraction form
    105,053.08/144,974.30 = 57,307.43/x
  3. Step 3: Cross multiply
    105,053.08x = 144,974.30 × 57,307.43
  4. Step 4: Simplify right side
    105,053.08x = 8,308,104,549.05
  5. Step 5: Solve for x
    x = 8,308,104,549.05/105,053.08
  6. Step 6: Final answer
    x = 79,084.83

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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.