Home / 135,314.20-202,971.30-52,208.20

Finding the Fourth Proportional to 135,314.20, 202,971.30 and 52,208.20

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Solution

The fourth proportional to 135,314.20, 202,971.30 and 52,208.20 is: 78,312.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,314.20 : 202,971.30 = 52,208.20 : x
  2. Step 2: Convert to fraction form
    135,314.20/202,971.30 = 52,208.20/x
  3. Step 3: Cross multiply
    135,314.20x = 202,971.30 × 52,208.20
  4. Step 4: Simplify right side
    135,314.20x = 10,596,766,224.66
  5. Step 5: Solve for x
    x = 10,596,766,224.66/135,314.20
  6. Step 6: Final answer
    x = 78,312.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.