Home / 212,720.16-293,555.76-117,230.28

Finding the Fourth Proportional to 212,720.16, 293,555.76 and 117,230.28

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Solution

The fourth proportional to 212,720.16, 293,555.76 and 117,230.28 is: 161,778.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,720.16 : 293,555.76 = 117,230.28 : x
  2. Step 2: Convert to fraction form
    212,720.16/293,555.76 = 117,230.28/x
  3. Step 3: Cross multiply
    212,720.16x = 293,555.76 × 117,230.28
  4. Step 4: Simplify right side
    212,720.16x = 34,413,623,940.41
  5. Step 5: Solve for x
    x = 34,413,623,940.41/212,720.16
  6. Step 6: Final answer
    x = 161,778.86

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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.