Home / 145,829.16-201,250.98-82,169.64

Finding the Fourth Proportional to 145,829.16, 201,250.98 and 82,169.64

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Solution

The fourth proportional to 145,829.16, 201,250.98 and 82,169.64 is: 113,397.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,829.16 : 201,250.98 = 82,169.64 : x
  2. Step 2: Convert to fraction form
    145,829.16/201,250.98 = 82,169.64/x
  3. Step 3: Cross multiply
    145,829.16x = 201,250.98 × 82,169.64
  4. Step 4: Simplify right side
    145,829.16x = 16,536,720,576.25
  5. Step 5: Solve for x
    x = 16,536,720,576.25/145,829.16
  6. Step 6: Final answer
    x = 113,397.90

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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.