Home / 212,460.18-293,216.23-158,651.78

Finding the Fourth Proportional to 212,460.18, 293,216.23 and 158,651.78

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Solution

The fourth proportional to 212,460.18, 293,216.23 and 158,651.78 is: 218,955.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,460.18 : 293,216.23 = 158,651.78 : x
  2. Step 2: Convert to fraction form
    212,460.18/293,216.23 = 158,651.78/x
  3. Step 3: Cross multiply
    212,460.18x = 293,216.23 × 158,651.78
  4. Step 4: Simplify right side
    212,460.18x = 46,519,277,195.96
  5. Step 5: Solve for x
    x = 46,519,277,195.96/212,460.18
  6. Step 6: Final answer
    x = 218,955.27

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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.