Home / 141,442.65-212,076.45-66,581.64

Finding the Fourth Proportional to 141,442.65, 212,076.45 and 66,581.64

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Solution

The fourth proportional to 141,442.65, 212,076.45 and 66,581.64 is: 99,831.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,442.65 : 212,076.45 = 66,581.64 : x
  2. Step 2: Convert to fraction form
    141,442.65/212,076.45 = 66,581.64/x
  3. Step 3: Cross multiply
    141,442.65x = 212,076.45 × 66,581.64
  4. Step 4: Simplify right side
    141,442.65x = 14,120,397,846.38
  5. Step 5: Solve for x
    x = 14,120,397,846.38/141,442.65
  6. Step 6: Final answer
    x = 99,831.26

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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.