Home / 126,075.02-189,135-41,840.28

Finding the Fourth Proportional to 126,075.02, 189,135 and 41,840.28

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Solution

The fourth proportional to 126,075.02, 189,135 and 41,840.28 is: 62,767.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,075.02 : 189,135 = 41,840.28 : x
  2. Step 2: Convert to fraction form
    126,075.02/189,135 = 41,840.28/x
  3. Step 3: Cross multiply
    126,075.02x = 189,135 × 41,840.28
  4. Step 4: Simplify right side
    126,075.02x = 7,913,461,357.80
  5. Step 5: Solve for x
    x = 7,913,461,357.80/126,075.02
  6. Step 6: Final answer
    x = 62,767.88

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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.