Home / 134,614.80-201,533.40-82,126.80

Finding the Fourth Proportional to 134,614.80, 201,533.40 and 82,126.80

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Solution

The fourth proportional to 134,614.80, 201,533.40 and 82,126.80 is: 122,953.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,614.80 : 201,533.40 = 82,126.80 : x
  2. Step 2: Convert to fraction form
    134,614.80/201,533.40 = 82,126.80/x
  3. Step 3: Cross multiply
    134,614.80x = 201,533.40 × 82,126.80
  4. Step 4: Simplify right side
    134,614.80x = 16,551,293,235.12
  5. Step 5: Solve for x
    x = 16,551,293,235.12/134,614.80
  6. Step 6: Final answer
    x = 122,953.00

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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.