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Finding the Fourth Proportional to 133,641.06, 184,424.65 and 79,926.07

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Solution

The fourth proportional to 133,641.06, 184,424.65 and 79,926.07 is: 110,297.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,641.06 : 184,424.65 = 79,926.07 : x
  2. Step 2: Convert to fraction form
    133,641.06/184,424.65 = 79,926.07/x
  3. Step 3: Cross multiply
    133,641.06x = 184,424.65 × 79,926.07
  4. Step 4: Simplify right side
    133,641.06x = 14,740,337,429.89
  5. Step 5: Solve for x
    x = 14,740,337,429.89/133,641.06
  6. Step 6: Final answer
    x = 110,297.97

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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.