Home / 141,182.94-194,835.60-77,521

Finding the Fourth Proportional to 141,182.94, 194,835.60 and 77,521

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Solution

The fourth proportional to 141,182.94, 194,835.60 and 77,521 is: 106,980.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,182.94 : 194,835.60 = 77,521 : x
  2. Step 2: Convert to fraction form
    141,182.94/194,835.60 = 77,521/x
  3. Step 3: Cross multiply
    141,182.94x = 194,835.60 × 77,521
  4. Step 4: Simplify right side
    141,182.94x = 15,103,850,547.60
  5. Step 5: Solve for x
    x = 15,103,850,547.60/141,182.94
  6. Step 6: Final answer
    x = 106,980.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.