Home / 109,487.21-151,091.93-59,186.21

Finding the Fourth Proportional to 109,487.21, 151,091.93 and 59,186.21

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Solution

The fourth proportional to 109,487.21, 151,091.93 and 59,186.21 is: 81,676.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,487.21 : 151,091.93 = 59,186.21 : x
  2. Step 2: Convert to fraction form
    109,487.21/151,091.93 = 59,186.21/x
  3. Step 3: Cross multiply
    109,487.21x = 151,091.93 × 59,186.21
  4. Step 4: Simplify right side
    109,487.21x = 8,942,558,090.79
  5. Step 5: Solve for x
    x = 8,942,558,090.79/109,487.21
  6. Step 6: Final answer
    x = 81,676.74

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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.