Home / 212,580.70-293,382.10-158,772.34

Finding the Fourth Proportional to 212,580.70, 293,382.10 and 158,772.34

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Solution

The fourth proportional to 212,580.70, 293,382.10 and 158,772.34 is: 219,121.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,580.70 : 293,382.10 = 158,772.34 : x
  2. Step 2: Convert to fraction form
    212,580.70/293,382.10 = 158,772.34/x
  3. Step 3: Cross multiply
    212,580.70x = 293,382.10 × 158,772.34
  4. Step 4: Simplify right side
    212,580.70x = 46,580,962,531.11
  5. Step 5: Solve for x
    x = 46,580,962,531.11/212,580.70
  6. Step 6: Final answer
    x = 219,121.32

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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.