Home / 145,739.44-201,126.54-82,077.04

Finding the Fourth Proportional to 145,739.44, 201,126.54 and 82,077.04

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Solution

The fourth proportional to 145,739.44, 201,126.54 and 82,077.04 is: 113,269.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,739.44 : 201,126.54 = 82,077.04 : x
  2. Step 2: Convert to fraction form
    145,739.44/201,126.54 = 82,077.04/x
  3. Step 3: Cross multiply
    145,739.44x = 201,126.54 × 82,077.04
  4. Step 4: Simplify right side
    145,739.44x = 16,507,871,068.64
  5. Step 5: Solve for x
    x = 16,507,871,068.64/145,739.44
  6. Step 6: Final answer
    x = 113,269.76

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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.