Home / 102,023.38-153,043.89-28,151.38

Finding the Fourth Proportional to 102,023.38, 153,043.89 and 28,151.38

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Solution

The fourth proportional to 102,023.38, 153,043.89 and 28,151.38 is: 42,229.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,023.38 : 153,043.89 = 28,151.38 : x
  2. Step 2: Convert to fraction form
    102,023.38/153,043.89 = 28,151.38/x
  3. Step 3: Cross multiply
    102,023.38x = 153,043.89 × 28,151.38
  4. Step 4: Simplify right side
    102,023.38x = 4,308,395,798.09
  5. Step 5: Solve for x
    x = 4,308,395,798.09/102,023.38
  6. Step 6: Final answer
    x = 42,229.50

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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.