Home / 141,864.10-212,012.05-133,670.02

Finding the Fourth Proportional to 141,864.10, 212,012.05 and 133,670.02

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Solution

The fourth proportional to 141,864.10, 212,012.05 and 133,670.02 is: 199,766.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,864.10 : 212,012.05 = 133,670.02 : x
  2. Step 2: Convert to fraction form
    141,864.10/212,012.05 = 133,670.02/x
  3. Step 3: Cross multiply
    141,864.10x = 212,012.05 × 133,670.02
  4. Step 4: Simplify right side
    141,864.10x = 28,339,654,963.74
  5. Step 5: Solve for x
    x = 28,339,654,963.74/141,864.10
  6. Step 6: Final answer
    x = 199,766.22

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.