Home / 130,681.72-195,999.12-34,619.56

Finding the Fourth Proportional to 130,681.72, 195,999.12 and 34,619.56

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Solution

The fourth proportional to 130,681.72, 195,999.12 and 34,619.56 is: 51,923.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,681.72 : 195,999.12 = 34,619.56 : x
  2. Step 2: Convert to fraction form
    130,681.72/195,999.12 = 34,619.56/x
  3. Step 3: Cross multiply
    130,681.72x = 195,999.12 × 34,619.56
  4. Step 4: Simplify right side
    130,681.72x = 6,785,403,294.79
  5. Step 5: Solve for x
    x = 6,785,403,294.79/130,681.72
  6. Step 6: Final answer
    x = 51,923.13

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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.