Home / 145,038.80-200,150.39-80,504.24

Finding the Fourth Proportional to 145,038.80, 200,150.39 and 80,504.24

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Solution

The fourth proportional to 145,038.80, 200,150.39 and 80,504.24 is: 111,094.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,038.80 : 200,150.39 = 80,504.24 : x
  2. Step 2: Convert to fraction form
    145,038.80/200,150.39 = 80,504.24/x
  3. Step 3: Cross multiply
    145,038.80x = 200,150.39 × 80,504.24
  4. Step 4: Simplify right side
    145,038.80x = 16,112,954,233.16
  5. Step 5: Solve for x
    x = 16,112,954,233.16/145,038.80
  6. Step 6: Final answer
    x = 111,094.09

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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.