Home / 130,272.36-195,193.89-119,377.86

Finding the Fourth Proportional to 130,272.36, 195,193.89 and 119,377.86

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Solution

The fourth proportional to 130,272.36, 195,193.89 and 119,377.86 is: 178,870.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,272.36 : 195,193.89 = 119,377.86 : x
  2. Step 2: Convert to fraction form
    130,272.36/195,193.89 = 119,377.86/x
  3. Step 3: Cross multiply
    130,272.36x = 195,193.89 × 119,377.86
  4. Step 4: Simplify right side
    130,272.36x = 23,301,828,873.28
  5. Step 5: Solve for x
    x = 23,301,828,873.28/130,272.36
  6. Step 6: Final answer
    x = 178,870.09

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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.