Home / 255,448.53-352,535.09-142,271.01

Finding the Fourth Proportional to 255,448.53, 352,535.09 and 142,271.01

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Solution

The fourth proportional to 255,448.53, 352,535.09 and 142,271.01 is: 196,342.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,448.53 : 352,535.09 = 142,271.01 : x
  2. Step 2: Convert to fraction form
    255,448.53/352,535.09 = 142,271.01/x
  3. Step 3: Cross multiply
    255,448.53x = 352,535.09 × 142,271.01
  4. Step 4: Simplify right side
    255,448.53x = 50,155,522,603.39
  5. Step 5: Solve for x
    x = 50,155,522,603.39/255,448.53
  6. Step 6: Final answer
    x = 196,342.97

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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.