Home / 212,580.20-293,381.40-158,771.84

Finding the Fourth Proportional to 212,580.20, 293,381.40 and 158,771.84

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Solution

The fourth proportional to 212,580.20, 293,381.40 and 158,771.84 is: 219,120.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,580.20 : 293,381.40 = 158,771.84 : x
  2. Step 2: Convert to fraction form
    212,580.20/293,381.40 = 158,771.84/x
  3. Step 3: Cross multiply
    212,580.20x = 293,381.40 × 158,771.84
  4. Step 4: Simplify right side
    212,580.20x = 46,580,704,699.78
  5. Step 5: Solve for x
    x = 46,580,704,699.78/212,580.20
  6. Step 6: Final answer
    x = 219,120.62

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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.