Home / 103,377.28-142,714.83-69,563.56

Finding the Fourth Proportional to 103,377.28, 142,714.83 and 69,563.56

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Solution

The fourth proportional to 103,377.28, 142,714.83 and 69,563.56 is: 96,034.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,377.28 : 142,714.83 = 69,563.56 : x
  2. Step 2: Convert to fraction form
    103,377.28/142,714.83 = 69,563.56/x
  3. Step 3: Cross multiply
    103,377.28x = 142,714.83 × 69,563.56
  4. Step 4: Simplify right side
    103,377.28x = 9,927,751,639.59
  5. Step 5: Solve for x
    x = 9,927,751,639.59/103,377.28
  6. Step 6: Final answer
    x = 96,034.17

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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.