Home / 101,619.26-140,226.35-56,299.16

Finding the Fourth Proportional to 101,619.26, 140,226.35 and 56,299.16

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Solution

The fourth proportional to 101,619.26, 140,226.35 and 56,299.16 is: 77,688.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,619.26 : 140,226.35 = 56,299.16 : x
  2. Step 2: Convert to fraction form
    101,619.26/140,226.35 = 56,299.16/x
  3. Step 3: Cross multiply
    101,619.26x = 140,226.35 × 56,299.16
  4. Step 4: Simplify right side
    101,619.26x = 7,894,624,732.24
  5. Step 5: Solve for x
    x = 7,894,624,732.24/101,619.26
  6. Step 6: Final answer
    x = 77,688.27

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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.