Home / 126,075.08-189,107.16-31,303.03

Finding the Fourth Proportional to 126,075.08, 189,107.16 and 31,303.03

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Solution

The fourth proportional to 126,075.08, 189,107.16 and 31,303.03 is: 46,953.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,075.08 : 189,107.16 = 31,303.03 : x
  2. Step 2: Convert to fraction form
    126,075.08/189,107.16 = 31,303.03/x
  3. Step 3: Cross multiply
    126,075.08x = 189,107.16 × 31,303.03
  4. Step 4: Simplify right side
    126,075.08x = 5,919,627,398.98
  5. Step 5: Solve for x
    x = 5,919,627,398.98/126,075.08
  6. Step 6: Final answer
    x = 46,953.19

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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.