Home / 104,150.74-143,727.27-56,402.98

Finding the Fourth Proportional to 104,150.74, 143,727.27 and 56,402.98

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Solution

The fourth proportional to 104,150.74, 143,727.27 and 56,402.98 is: 77,835.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,150.74 : 143,727.27 = 56,402.98 : x
  2. Step 2: Convert to fraction form
    104,150.74/143,727.27 = 56,402.98/x
  3. Step 3: Cross multiply
    104,150.74x = 143,727.27 × 56,402.98
  4. Step 4: Simplify right side
    104,150.74x = 8,106,646,335.26
  5. Step 5: Solve for x
    x = 8,106,646,335.26/104,150.74
  6. Step 6: Final answer
    x = 77,835.71

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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.