Home / 212,702.09-293,515.67-122,065.52

Finding the Fourth Proportional to 212,702.09, 293,515.67 and 122,065.52

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Solution

The fourth proportional to 212,702.09, 293,515.67 and 122,065.52 is: 168,442.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,702.09 : 293,515.67 = 122,065.52 : x
  2. Step 2: Convert to fraction form
    212,702.09/293,515.67 = 122,065.52/x
  3. Step 3: Cross multiply
    212,702.09x = 293,515.67 × 122,065.52
  4. Step 4: Simplify right side
    212,702.09x = 35,828,141,724.28
  5. Step 5: Solve for x
    x = 35,828,141,724.28/212,702.09
  6. Step 6: Final answer
    x = 168,442.83

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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.