Home / 163,949.20-245,923.80-155,395.60

Finding the Fourth Proportional to 163,949.20, 245,923.80 and 155,395.60

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Solution

The fourth proportional to 163,949.20, 245,923.80 and 155,395.60 is: 233,093.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,949.20 : 245,923.80 = 155,395.60 : x
  2. Step 2: Convert to fraction form
    163,949.20/245,923.80 = 155,395.60/x
  3. Step 3: Cross multiply
    163,949.20x = 245,923.80 × 155,395.60
  4. Step 4: Simplify right side
    163,949.20x = 38,215,476,455.28
  5. Step 5: Solve for x
    x = 38,215,476,455.28/163,949.20
  6. Step 6: Final answer
    x = 233,093.40

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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.