Home / 104,690-144,473.28-56,943.92

Finding the Fourth Proportional to 104,690, 144,473.28 and 56,943.92

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Solution

The fourth proportional to 104,690, 144,473.28 and 56,943.92 is: 78,583.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,690 : 144,473.28 = 56,943.92 : x
  2. Step 2: Convert to fraction form
    104,690/144,473.28 = 56,943.92/x
  3. Step 3: Cross multiply
    104,690x = 144,473.28 × 56,943.92
  4. Step 4: Simplify right side
    104,690x = 8,226,874,898.46
  5. Step 5: Solve for x
    x = 8,226,874,898.46/104,690
  6. Step 6: Final answer
    x = 78,583.20

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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.