Home / 104,039.64-143,574.12-56,291.94

Finding the Fourth Proportional to 104,039.64, 143,574.12 and 56,291.94

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Solution

The fourth proportional to 104,039.64, 143,574.12 and 56,291.94 is: 77,682.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,039.64 : 143,574.12 = 56,291.94 : x
  2. Step 2: Convert to fraction form
    104,039.64/143,574.12 = 56,291.94/x
  3. Step 3: Cross multiply
    104,039.64x = 143,574.12 × 56,291.94
  4. Step 4: Simplify right side
    104,039.64x = 8,082,065,748.59
  5. Step 5: Solve for x
    x = 8,082,065,748.59/104,039.64
  6. Step 6: Final answer
    x = 77,682.56

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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.