Home / 212,810.67-293,625.68-135,258.03

Finding the Fourth Proportional to 212,810.67, 293,625.68 and 135,258.03

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Solution

The fourth proportional to 212,810.67, 293,625.68 and 135,258.03 is: 186,622.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,810.67 : 293,625.68 = 135,258.03 : x
  2. Step 2: Convert to fraction form
    212,810.67/293,625.68 = 135,258.03/x
  3. Step 3: Cross multiply
    212,810.67x = 293,625.68 × 135,258.03
  4. Step 4: Simplify right side
    212,810.67x = 39,715,230,357.92
  5. Step 5: Solve for x
    x = 39,715,230,357.92/212,810.67
  6. Step 6: Final answer
    x = 186,622.36

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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.