Home / 212,790.75-293,653.25-117,300.86

Finding the Fourth Proportional to 212,790.75, 293,653.25 and 117,300.86

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Solution

The fourth proportional to 212,790.75, 293,653.25 and 117,300.86 is: 161,876.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,790.75 : 293,653.25 = 117,300.86 : x
  2. Step 2: Convert to fraction form
    212,790.75/293,653.25 = 117,300.86/x
  3. Step 3: Cross multiply
    212,790.75x = 293,653.25 × 117,300.86
  4. Step 4: Simplify right side
    212,790.75x = 34,445,778,253.10
  5. Step 5: Solve for x
    x = 34,445,778,253.10/212,790.75
  6. Step 6: Final answer
    x = 161,876.30

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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.