Home / 133,763.49-184,595.12-76,410.41

Finding the Fourth Proportional to 133,763.49, 184,595.12 and 76,410.41

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Solution

The fourth proportional to 133,763.49, 184,595.12 and 76,410.41 is: 105,447.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,763.49 : 184,595.12 = 76,410.41 : x
  2. Step 2: Convert to fraction form
    133,763.49/184,595.12 = 76,410.41/x
  3. Step 3: Cross multiply
    133,763.49x = 184,595.12 × 76,410.41
  4. Step 4: Simplify right side
    133,763.49x = 14,104,987,498.17
  5. Step 5: Solve for x
    x = 14,104,987,498.17/133,763.49
  6. Step 6: Final answer
    x = 105,447.22

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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.