Home / 145,944.56-201,403.14-82,281.89

Finding the Fourth Proportional to 145,944.56, 201,403.14 and 82,281.89

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Solution

The fourth proportional to 145,944.56, 201,403.14 and 82,281.89 is: 113,548.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,944.56 : 201,403.14 = 82,281.89 : x
  2. Step 2: Convert to fraction form
    145,944.56/201,403.14 = 82,281.89/x
  3. Step 3: Cross multiply
    145,944.56x = 201,403.14 × 82,281.89
  4. Step 4: Simplify right side
    145,944.56x = 16,571,830,004.12
  5. Step 5: Solve for x
    x = 16,571,830,004.12/145,944.56
  6. Step 6: Final answer
    x = 113,548.81

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1.5x scale

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.