Home / 145,941.55-201,399.01-82,278.89

Finding the Fourth Proportional to 145,941.55, 201,399.01 and 82,278.89

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Solution

The fourth proportional to 145,941.55, 201,399.01 and 82,278.89 is: 113,544.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,941.55 : 201,399.01 = 82,278.89 : x
  2. Step 2: Convert to fraction form
    145,941.55/201,399.01 = 82,278.89/x
  3. Step 3: Cross multiply
    145,941.55x = 201,399.01 × 82,278.89
  4. Step 4: Simplify right side
    145,941.55x = 16,570,886,532.45
  5. Step 5: Solve for x
    x = 16,570,886,532.45/145,941.55
  6. Step 6: Final answer
    x = 113,544.68

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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.