Home / 102,022.75-153,042.95-28,150.75

Finding the Fourth Proportional to 102,022.75, 153,042.95 and 28,150.75

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Solution

The fourth proportional to 102,022.75, 153,042.95 and 28,150.75 is: 42,228.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,022.75 : 153,042.95 = 28,150.75 : x
  2. Step 2: Convert to fraction form
    102,022.75/153,042.95 = 28,150.75/x
  3. Step 3: Cross multiply
    102,022.75x = 153,042.95 × 28,150.75
  4. Step 4: Simplify right side
    102,022.75x = 4,308,273,683.96
  5. Step 5: Solve for x
    x = 4,308,273,683.96/102,022.75
  6. Step 6: Final answer
    x = 42,228.56

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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.