Home / 141,812.10-212,718.15-122,112.90

Finding the Fourth Proportional to 141,812.10, 212,718.15 and 122,112.90

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Solution

The fourth proportional to 141,812.10, 212,718.15 and 122,112.90 is: 183,169.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,812.10 : 212,718.15 = 122,112.90 : x
  2. Step 2: Convert to fraction form
    141,812.10/212,718.15 = 122,112.90/x
  3. Step 3: Cross multiply
    141,812.10x = 212,718.15 × 122,112.90
  4. Step 4: Simplify right side
    141,812.10x = 25,975,630,179.14
  5. Step 5: Solve for x
    x = 25,975,630,179.14/141,812.10
  6. Step 6: Final answer
    x = 183,169.35

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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.