Home / 266,681.53-368,017.99-145,821.57

Finding the Fourth Proportional to 266,681.53, 368,017.99 and 145,821.57

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Solution

The fourth proportional to 266,681.53, 368,017.99 and 145,821.57 is: 201,232.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,681.53 : 368,017.99 = 145,821.57 : x
  2. Step 2: Convert to fraction form
    266,681.53/368,017.99 = 145,821.57/x
  3. Step 3: Cross multiply
    266,681.53x = 368,017.99 × 145,821.57
  4. Step 4: Simplify right side
    266,681.53x = 53,664,961,090.04
  5. Step 5: Solve for x
    x = 53,664,961,090.04/266,681.53
  6. Step 6: Final answer
    x = 201,232.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.