Home / 129,503.04-194,254.56-122,193.60

Finding the Fourth Proportional to 129,503.04, 194,254.56 and 122,193.60

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Solution

The fourth proportional to 129,503.04, 194,254.56 and 122,193.60 is: 183,290.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,503.04 : 194,254.56 = 122,193.60 : x
  2. Step 2: Convert to fraction form
    129,503.04/194,254.56 = 122,193.60/x
  3. Step 3: Cross multiply
    129,503.04x = 194,254.56 × 122,193.60
  4. Step 4: Simplify right side
    129,503.04x = 23,736,664,002.82
  5. Step 5: Solve for x
    x = 23,736,664,002.82/129,503.04
  6. Step 6: Final answer
    x = 183,290.40

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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.