Home / 134,022.40-201,033.60-86,783.20

Finding the Fourth Proportional to 134,022.40, 201,033.60 and 86,783.20

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Solution

The fourth proportional to 134,022.40, 201,033.60 and 86,783.20 is: 130,174.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,022.40 : 201,033.60 = 86,783.20 : x
  2. Step 2: Convert to fraction form
    134,022.40/201,033.60 = 86,783.20/x
  3. Step 3: Cross multiply
    134,022.40x = 201,033.60 × 86,783.20
  4. Step 4: Simplify right side
    134,022.40x = 17,446,339,115.52
  5. Step 5: Solve for x
    x = 17,446,339,115.52/134,022.40
  6. Step 6: Final answer
    x = 130,174.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.