Home / 134,433.20-201,649.80-128,674.10

Finding the Fourth Proportional to 134,433.20, 201,649.80 and 128,674.10

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Solution

The fourth proportional to 134,433.20, 201,649.80 and 128,674.10 is: 193,011.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,433.20 : 201,649.80 = 128,674.10 : x
  2. Step 2: Convert to fraction form
    134,433.20/201,649.80 = 128,674.10/x
  3. Step 3: Cross multiply
    134,433.20x = 201,649.80 × 128,674.10
  4. Step 4: Simplify right side
    134,433.20x = 25,947,106,530.18
  5. Step 5: Solve for x
    x = 25,947,106,530.18/134,433.20
  6. Step 6: Final answer
    x = 193,011.15

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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.