Home / 130,372.84-195,559.26-83,920.96

Finding the Fourth Proportional to 130,372.84, 195,559.26 and 83,920.96

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Solution

The fourth proportional to 130,372.84, 195,559.26 and 83,920.96 is: 125,881.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,372.84 : 195,559.26 = 83,920.96 : x
  2. Step 2: Convert to fraction form
    130,372.84/195,559.26 = 83,920.96/x
  3. Step 3: Cross multiply
    130,372.84x = 195,559.26 × 83,920.96
  4. Step 4: Simplify right side
    130,372.84x = 16,411,519,438.69
  5. Step 5: Solve for x
    x = 16,411,519,438.69/130,372.84
  6. Step 6: Final answer
    x = 125,881.43

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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.