Home / 103,729.82-143,165.07-60,116.28

Finding the Fourth Proportional to 103,729.82, 143,165.07 and 60,116.28

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Solution

The fourth proportional to 103,729.82, 143,165.07 and 60,116.28 is: 82,970.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,729.82 : 143,165.07 = 60,116.28 : x
  2. Step 2: Convert to fraction form
    103,729.82/143,165.07 = 60,116.28/x
  3. Step 3: Cross multiply
    103,729.82x = 143,165.07 × 60,116.28
  4. Step 4: Simplify right side
    103,729.82x = 8,606,550,897.47
  5. Step 5: Solve for x
    x = 8,606,550,897.47/103,729.82
  6. Step 6: Final answer
    x = 82,970.85

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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.