Home / 98,814.36-148,219.38-28,690.68

Finding the Fourth Proportional to 98,814.36, 148,219.38 and 28,690.68

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Solution

The fourth proportional to 98,814.36, 148,219.38 and 28,690.68 is: 43,035.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,814.36 : 148,219.38 = 28,690.68 : x
  2. Step 2: Convert to fraction form
    98,814.36/148,219.38 = 28,690.68/x
  3. Step 3: Cross multiply
    98,814.36x = 148,219.38 × 28,690.68
  4. Step 4: Simplify right side
    98,814.36x = 4,252,514,801.38
  5. Step 5: Solve for x
    x = 4,252,514,801.38/98,814.36
  6. Step 6: Final answer
    x = 43,035.39

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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.