Home / 89,221.74-133,852.80-30,055.79

Finding the Fourth Proportional to 89,221.74, 133,852.80 and 30,055.79

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Solution

The fourth proportional to 89,221.74, 133,852.80 and 30,055.79 is: 45,090.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,221.74 : 133,852.80 = 30,055.79 : x
  2. Step 2: Convert to fraction form
    89,221.74/133,852.80 = 30,055.79/x
  3. Step 3: Cross multiply
    89,221.74x = 133,852.80 × 30,055.79
  4. Step 4: Simplify right side
    89,221.74x = 4,023,052,095.05
  5. Step 5: Solve for x
    x = 4,023,052,095.05/89,221.74
  6. Step 6: Final answer
    x = 45,090.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.