Home / 130,045.80-194,922.90-55,153.20

Finding the Fourth Proportional to 130,045.80, 194,922.90 and 55,153.20

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Solution

The fourth proportional to 130,045.80, 194,922.90 and 55,153.20 is: 82,667.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,045.80 : 194,922.90 = 55,153.20 : x
  2. Step 2: Convert to fraction form
    130,045.80/194,922.90 = 55,153.20/x
  3. Step 3: Cross multiply
    130,045.80x = 194,922.90 × 55,153.20
  4. Step 4: Simplify right side
    130,045.80x = 10,750,621,688.28
  5. Step 5: Solve for x
    x = 10,750,621,688.28/130,045.80
  6. Step 6: Final answer
    x = 82,667.97

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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.