Home / 104,068.17-143,614.07-56,321.53

Finding the Fourth Proportional to 104,068.17, 143,614.07 and 56,321.53

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Solution

The fourth proportional to 104,068.17, 143,614.07 and 56,321.53 is: 77,723.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,068.17 : 143,614.07 = 56,321.53 : x
  2. Step 2: Convert to fraction form
    104,068.17/143,614.07 = 56,321.53/x
  3. Step 3: Cross multiply
    104,068.17x = 143,614.07 × 56,321.53
  4. Step 4: Simplify right side
    104,068.17x = 8,088,563,511.28
  5. Step 5: Solve for x
    x = 8,088,563,511.28/104,068.17
  6. Step 6: Final answer
    x = 77,723.70

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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.