Home / 105,003.48-144,901.58-57,257.76

Finding the Fourth Proportional to 105,003.48, 144,901.58 and 57,257.76

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Solution

The fourth proportional to 105,003.48, 144,901.58 and 57,257.76 is: 79,013.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,003.48 : 144,901.58 = 57,257.76 : x
  2. Step 2: Convert to fraction form
    105,003.48/144,901.58 = 57,257.76/x
  3. Step 3: Cross multiply
    105,003.48x = 144,901.58 × 57,257.76
  4. Step 4: Simplify right side
    105,003.48x = 8,296,739,891.26
  5. Step 5: Solve for x
    x = 8,296,739,891.26/105,003.48
  6. Step 6: Final answer
    x = 79,013.95

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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.