Home / 145,484.88-200,767.08-81,822.60

Finding the Fourth Proportional to 145,484.88, 200,767.08 and 81,822.60

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Solution

The fourth proportional to 145,484.88, 200,767.08 and 81,822.60 is: 112,914.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,484.88 : 200,767.08 = 81,822.60 : x
  2. Step 2: Convert to fraction form
    145,484.88/200,767.08 = 81,822.60/x
  3. Step 3: Cross multiply
    145,484.88x = 200,767.08 × 81,822.60
  4. Step 4: Simplify right side
    145,484.88x = 16,427,284,480.01
  5. Step 5: Solve for x
    x = 16,427,284,480.01/145,484.88
  6. Step 6: Final answer
    x = 112,914.03

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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.