Home / 316,161.04-474,241.56-129,172.54

Finding the Fourth Proportional to 316,161.04, 474,241.56 and 129,172.54

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Solution

The fourth proportional to 316,161.04, 474,241.56 and 129,172.54 is: 193,758.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,161.04 : 474,241.56 = 129,172.54 : x
  2. Step 2: Convert to fraction form
    316,161.04/474,241.56 = 129,172.54/x
  3. Step 3: Cross multiply
    316,161.04x = 474,241.56 × 129,172.54
  4. Step 4: Simplify right side
    316,161.04x = 61,258,986,878.76
  5. Step 5: Solve for x
    x = 61,258,986,878.76/316,161.04
  6. Step 6: Final answer
    x = 193,758.81

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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.