Home / 123,412.20-185,075.10-64,228.20

Finding the Fourth Proportional to 123,412.20, 185,075.10 and 64,228.20

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Solution

The fourth proportional to 123,412.20, 185,075.10 and 64,228.20 is: 96,319.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,412.20 : 185,075.10 = 64,228.20 : x
  2. Step 2: Convert to fraction form
    123,412.20/185,075.10 = 64,228.20/x
  3. Step 3: Cross multiply
    123,412.20x = 185,075.10 × 64,228.20
  4. Step 4: Simplify right side
    123,412.20x = 11,887,040,537.82
  5. Step 5: Solve for x
    x = 11,887,040,537.82/123,412.20
  6. Step 6: Final answer
    x = 96,319.82

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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.