Home / 130,150.40-195,020.80-67,727.36

Finding the Fourth Proportional to 130,150.40, 195,020.80 and 67,727.36

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Solution

The fourth proportional to 130,150.40, 195,020.80 and 67,727.36 is: 101,484.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,150.40 : 195,020.80 = 67,727.36 : x
  2. Step 2: Convert to fraction form
    130,150.40/195,020.80 = 67,727.36/x
  3. Step 3: Cross multiply
    130,150.40x = 195,020.80 × 67,727.36
  4. Step 4: Simplify right side
    130,150.40x = 13,208,243,929.09
  5. Step 5: Solve for x
    x = 13,208,243,929.09/130,150.40
  6. Step 6: Final answer
    x = 101,484.47

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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.