Home / 133,663.72-184,410.48-76,261.80

Finding the Fourth Proportional to 133,663.72, 184,410.48 and 76,261.80

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Solution

The fourth proportional to 133,663.72, 184,410.48 and 76,261.80 is: 105,215.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,663.72 : 184,410.48 = 76,261.80 : x
  2. Step 2: Convert to fraction form
    133,663.72/184,410.48 = 76,261.80/x
  3. Step 3: Cross multiply
    133,663.72x = 184,410.48 × 76,261.80
  4. Step 4: Simplify right side
    133,663.72x = 14,063,475,143.66
  5. Step 5: Solve for x
    x = 14,063,475,143.66/133,663.72
  6. Step 6: Final answer
    x = 105,215.35

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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.