Home / 130,685.84-195,938.04-71,549.36

Finding the Fourth Proportional to 130,685.84, 195,938.04 and 71,549.36

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Solution

The fourth proportional to 130,685.84, 195,938.04 and 71,549.36 is: 107,274.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,685.84 : 195,938.04 = 71,549.36 : x
  2. Step 2: Convert to fraction form
    130,685.84/195,938.04 = 71,549.36/x
  3. Step 3: Cross multiply
    130,685.84x = 195,938.04 × 71,549.36
  4. Step 4: Simplify right side
    130,685.84x = 14,019,241,361.65
  5. Step 5: Solve for x
    x = 14,019,241,361.65/130,685.84
  6. Step 6: Final answer
    x = 107,274.37

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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.