Home / 145,038.53-200,150.06-80,504.01

Finding the Fourth Proportional to 145,038.53, 200,150.06 and 80,504.01

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Solution

The fourth proportional to 145,038.53, 200,150.06 and 80,504.01 is: 111,093.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,038.53 : 200,150.06 = 80,504.01 : x
  2. Step 2: Convert to fraction form
    145,038.53/200,150.06 = 80,504.01/x
  3. Step 3: Cross multiply
    145,038.53x = 200,150.06 × 80,504.01
  4. Step 4: Simplify right side
    145,038.53x = 16,112,882,029.22
  5. Step 5: Solve for x
    x = 16,112,882,029.22/145,038.53
  6. Step 6: Final answer
    x = 111,093.80

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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.