Home / 212,865.93-293,739.96-117,370.59

Finding the Fourth Proportional to 212,865.93, 293,739.96 and 117,370.59

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Solution

The fourth proportional to 212,865.93, 293,739.96 and 117,370.59 is: 161,963.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,865.93 : 293,739.96 = 117,370.59 : x
  2. Step 2: Convert to fraction form
    212,865.93/293,739.96 = 117,370.59/x
  3. Step 3: Cross multiply
    212,865.93x = 293,739.96 × 117,370.59
  4. Step 4: Simplify right side
    212,865.93x = 34,476,432,411.78
  5. Step 5: Solve for x
    x = 34,476,432,411.78/212,865.93
  6. Step 6: Final answer
    x = 161,963.13

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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.