Home / 212,702.69-293,531.67-117,212.80

Finding the Fourth Proportional to 212,702.69, 293,531.67 and 117,212.80

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Solution

The fourth proportional to 212,702.69, 293,531.67 and 117,212.80 is: 161,754.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,702.69 : 293,531.67 = 117,212.80 : x
  2. Step 2: Convert to fraction form
    212,702.69/293,531.67 = 117,212.80/x
  3. Step 3: Cross multiply
    212,702.69x = 293,531.67 × 117,212.80
  4. Step 4: Simplify right side
    212,702.69x = 34,405,668,488.58
  5. Step 5: Solve for x
    x = 34,405,668,488.58/212,702.69
  6. Step 6: Final answer
    x = 161,754.74

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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.