Home / 130,355.56-195,562.14-47,247.40

Finding the Fourth Proportional to 130,355.56, 195,562.14 and 47,247.40

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Solution

The fourth proportional to 130,355.56, 195,562.14 and 47,247.40 is: 70,881.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,355.56 : 195,562.14 = 47,247.40 : x
  2. Step 2: Convert to fraction form
    130,355.56/195,562.14 = 47,247.40/x
  3. Step 3: Cross multiply
    130,355.56x = 195,562.14 × 47,247.40
  4. Step 4: Simplify right side
    130,355.56x = 9,239,802,653.44
  5. Step 5: Solve for x
    x = 9,239,802,653.44/130,355.56
  6. Step 6: Final answer
    x = 70,881.54

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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.