Home / 129,870.10-194,805.15-122,094.10

Finding the Fourth Proportional to 129,870.10, 194,805.15 and 122,094.10

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Solution

The fourth proportional to 129,870.10, 194,805.15 and 122,094.10 is: 183,141.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,870.10 : 194,805.15 = 122,094.10 : x
  2. Step 2: Convert to fraction form
    129,870.10/194,805.15 = 122,094.10/x
  3. Step 3: Cross multiply
    129,870.10x = 194,805.15 × 122,094.10
  4. Step 4: Simplify right side
    129,870.10x = 23,784,559,464.62
  5. Step 5: Solve for x
    x = 23,784,559,464.62/129,870.10
  6. Step 6: Final answer
    x = 183,141.15

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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.