Home / 212,785.84-293,671.04-122,170.18

Finding the Fourth Proportional to 212,785.84, 293,671.04 and 122,170.18

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Solution

The fourth proportional to 212,785.84, 293,671.04 and 122,170.18 is: 168,610.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,785.84 : 293,671.04 = 122,170.18 : x
  2. Step 2: Convert to fraction form
    212,785.84/293,671.04 = 122,170.18/x
  3. Step 3: Cross multiply
    212,785.84x = 293,671.04 × 122,170.18
  4. Step 4: Simplify right side
    212,785.84x = 35,877,843,817.59
  5. Step 5: Solve for x
    x = 35,877,843,817.59/212,785.84
  6. Step 6: Final answer
    x = 168,610.11

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1.5x scale

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.