Home / 104,035.87-143,568.48-56,288.17

Finding the Fourth Proportional to 104,035.87, 143,568.48 and 56,288.17

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Solution

The fourth proportional to 104,035.87, 143,568.48 and 56,288.17 is: 77,677.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,035.87 : 143,568.48 = 56,288.17 : x
  2. Step 2: Convert to fraction form
    104,035.87/143,568.48 = 56,288.17/x
  3. Step 3: Cross multiply
    104,035.87x = 143,568.48 × 56,288.17
  4. Step 4: Simplify right side
    104,035.87x = 8,081,207,008.88
  5. Step 5: Solve for x
    x = 8,081,207,008.88/104,035.87
  6. Step 6: Final answer
    x = 77,677.12

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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.