Home / 152,915.41-211,015.95-84,936.70

Finding the Fourth Proportional to 152,915.41, 211,015.95 and 84,936.70

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Solution

The fourth proportional to 152,915.41, 211,015.95 and 84,936.70 is: 117,208.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,915.41 : 211,015.95 = 84,936.70 : x
  2. Step 2: Convert to fraction form
    152,915.41/211,015.95 = 84,936.70/x
  3. Step 3: Cross multiply
    152,915.41x = 211,015.95 × 84,936.70
  4. Step 4: Simplify right side
    152,915.41x = 17,922,998,440.37
  5. Step 5: Solve for x
    x = 17,922,998,440.37/152,915.41
  6. Step 6: Final answer
    x = 117,208.58

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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.