Home / 141,137.98-194,807.75-87,392.45

Finding the Fourth Proportional to 141,137.98, 194,807.75 and 87,392.45

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Solution

The fourth proportional to 141,137.98, 194,807.75 and 87,392.45 is: 120,624.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,137.98 : 194,807.75 = 87,392.45 : x
  2. Step 2: Convert to fraction form
    141,137.98/194,807.75 = 87,392.45/x
  3. Step 3: Cross multiply
    141,137.98x = 194,807.75 × 87,392.45
  4. Step 4: Simplify right side
    141,137.98x = 17,024,726,601.54
  5. Step 5: Solve for x
    x = 17,024,726,601.54/141,137.98
  6. Step 6: Final answer
    x = 120,624.70

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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.