Home / 145,673.58-201,033.28-82,013.64

Finding the Fourth Proportional to 145,673.58, 201,033.28 and 82,013.64

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Solution

The fourth proportional to 145,673.58, 201,033.28 and 82,013.64 is: 113,180.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,673.58 : 201,033.28 = 82,013.64 : x
  2. Step 2: Convert to fraction form
    145,673.58/201,033.28 = 82,013.64/x
  3. Step 3: Cross multiply
    145,673.58x = 201,033.28 × 82,013.64
  4. Step 4: Simplify right side
    145,673.58x = 16,487,471,053.94
  5. Step 5: Solve for x
    x = 16,487,471,053.94/145,673.58
  6. Step 6: Final answer
    x = 113,180.93

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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.