Home / 133,081.50-183,641.44-75,705.56

Finding the Fourth Proportional to 133,081.50, 183,641.44 and 75,705.56

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Solution

The fourth proportional to 133,081.50, 183,641.44 and 75,705.56 is: 104,467.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,081.50 : 183,641.44 = 75,705.56 : x
  2. Step 2: Convert to fraction form
    133,081.50/183,641.44 = 75,705.56/x
  3. Step 3: Cross multiply
    133,081.50x = 183,641.44 × 75,705.56
  4. Step 4: Simplify right side
    133,081.50x = 13,902,678,054.41
  5. Step 5: Solve for x
    x = 13,902,678,054.41/133,081.50
  6. Step 6: Final answer
    x = 104,467.40

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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.