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Finding the Fourth Proportional to 130,224.98, 179,678.07 and 75,786.08

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Solution

The fourth proportional to 130,224.98, 179,678.07 and 75,786.08 is: 104,565.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,224.98 : 179,678.07 = 75,786.08 : x
  2. Step 2: Convert to fraction form
    130,224.98/179,678.07 = 75,786.08/x
  3. Step 3: Cross multiply
    130,224.98x = 179,678.07 × 75,786.08
  4. Step 4: Simplify right side
    130,224.98x = 13,617,096,587.27
  5. Step 5: Solve for x
    x = 13,617,096,587.27/130,224.98
  6. Step 6: Final answer
    x = 104,565.93

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.