Home / 145,256.21-217,896.87-40,075.18

Finding the Fourth Proportional to 145,256.21, 217,896.87 and 40,075.18

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Solution

The fourth proportional to 145,256.21, 217,896.87 and 40,075.18 is: 60,116.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,256.21 : 217,896.87 = 40,075.18 : x
  2. Step 2: Convert to fraction form
    145,256.21/217,896.87 = 40,075.18/x
  3. Step 3: Cross multiply
    145,256.21x = 217,896.87 × 40,075.18
  4. Step 4: Simplify right side
    145,256.21x = 8,732,256,286.69
  5. Step 5: Solve for x
    x = 8,732,256,286.69/145,256.21
  6. Step 6: Final answer
    x = 60,116.23

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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.