Home / 134,287.70-201,212.85-98,858.30

Finding the Fourth Proportional to 134,287.70, 201,212.85 and 98,858.30

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Solution

The fourth proportional to 134,287.70, 201,212.85 and 98,858.30 is: 148,126.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,287.70 : 201,212.85 = 98,858.30 : x
  2. Step 2: Convert to fraction form
    134,287.70/201,212.85 = 98,858.30/x
  3. Step 3: Cross multiply
    134,287.70x = 201,212.85 × 98,858.30
  4. Step 4: Simplify right side
    134,287.70x = 19,891,560,289.16
  5. Step 5: Solve for x
    x = 19,891,560,289.16/134,287.70
  6. Step 6: Final answer
    x = 148,126.45

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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.