Home / 212,784.09-293,638.53-117,299.67

Finding the Fourth Proportional to 212,784.09, 293,638.53 and 117,299.67

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Solution

The fourth proportional to 212,784.09, 293,638.53 and 117,299.67 is: 161,871.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,784.09 : 293,638.53 = 117,299.67 : x
  2. Step 2: Convert to fraction form
    212,784.09/293,638.53 = 117,299.67/x
  3. Step 3: Cross multiply
    212,784.09x = 293,638.53 × 117,299.67
  4. Step 4: Simplify right side
    212,784.09x = 34,443,702,668.29
  5. Step 5: Solve for x
    x = 34,443,702,668.29/212,784.09
  6. Step 6: Final answer
    x = 161,871.61

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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.