Home / 141,784.12-212,325.98-105,674

Finding the Fourth Proportional to 141,784.12, 212,325.98 and 105,674

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Solution

The fourth proportional to 141,784.12, 212,325.98 and 105,674 is: 158,249.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,784.12 : 212,325.98 = 105,674 : x
  2. Step 2: Convert to fraction form
    141,784.12/212,325.98 = 105,674/x
  3. Step 3: Cross multiply
    141,784.12x = 212,325.98 × 105,674
  4. Step 4: Simplify right side
    141,784.12x = 22,437,335,610.52
  5. Step 5: Solve for x
    x = 22,437,335,610.52/141,784.12
  6. Step 6: Final answer
    x = 158,249.99

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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.