Home / 212,075.11-318,116.77-169,758.79

Finding the Fourth Proportional to 212,075.11, 318,116.77 and 169,758.79

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Solution

The fourth proportional to 212,075.11, 318,116.77 and 169,758.79 is: 254,641.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,075.11 : 318,116.77 = 169,758.79 : x
  2. Step 2: Convert to fraction form
    212,075.11/318,116.77 = 169,758.79/x
  3. Step 3: Cross multiply
    212,075.11x = 318,116.77 × 169,758.79
  4. Step 4: Simplify right side
    212,075.11x = 54,003,116,734.22
  5. Step 5: Solve for x
    x = 54,003,116,734.22/212,075.11
  6. Step 6: Final answer
    x = 254,641.46

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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.