Home / 130,016.20-194,870.70-55,136.20

Finding the Fourth Proportional to 130,016.20, 194,870.70 and 55,136.20

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Solution

The fourth proportional to 130,016.20, 194,870.70 and 55,136.20 is: 82,639.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,016.20 : 194,870.70 = 55,136.20 : x
  2. Step 2: Convert to fraction form
    130,016.20/194,870.70 = 55,136.20/x
  3. Step 3: Cross multiply
    130,016.20x = 194,870.70 × 55,136.20
  4. Step 4: Simplify right side
    130,016.20x = 10,744,429,889.34
  5. Step 5: Solve for x
    x = 10,744,429,889.34/130,016.20
  6. Step 6: Final answer
    x = 82,639.16

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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.