Home / 150,071.43-207,090.84-82,075.17

Finding the Fourth Proportional to 150,071.43, 207,090.84 and 82,075.17

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Solution

The fourth proportional to 150,071.43, 207,090.84 and 82,075.17 is: 113,259.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,071.43 : 207,090.84 = 82,075.17 : x
  2. Step 2: Convert to fraction form
    150,071.43/207,090.84 = 82,075.17/x
  3. Step 3: Cross multiply
    150,071.43x = 207,090.84 × 82,075.17
  4. Step 4: Simplify right side
    150,071.43x = 16,997,015,898.44
  5. Step 5: Solve for x
    x = 16,997,015,898.44/150,071.43
  6. Step 6: Final answer
    x = 113,259.51

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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.