Home / 212,420.88-293,129.55-116,909.19

Finding the Fourth Proportional to 212,420.88, 293,129.55 and 116,909.19

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Solution

The fourth proportional to 212,420.88, 293,129.55 and 116,909.19 is: 161,328.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,420.88 : 293,129.55 = 116,909.19 : x
  2. Step 2: Convert to fraction form
    212,420.88/293,129.55 = 116,909.19/x
  3. Step 3: Cross multiply
    212,420.88x = 293,129.55 × 116,909.19
  4. Step 4: Simplify right side
    212,420.88x = 34,269,538,255.56
  5. Step 5: Solve for x
    x = 34,269,538,255.56/212,420.88
  6. Step 6: Final answer
    x = 161,328.48

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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.