Home / 142,879.05-214,274.82-98,789.13

Finding the Fourth Proportional to 142,879.05, 214,274.82 and 98,789.13

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Solution

The fourth proportional to 142,879.05, 214,274.82 and 98,789.13 is: 148,153.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,879.05 : 214,274.82 = 98,789.13 : x
  2. Step 2: Convert to fraction form
    142,879.05/214,274.82 = 98,789.13/x
  3. Step 3: Cross multiply
    142,879.05x = 214,274.82 × 98,789.13
  4. Step 4: Simplify right side
    142,879.05x = 21,168,023,048.71
  5. Step 5: Solve for x
    x = 21,168,023,048.71/142,879.05
  6. Step 6: Final answer
    x = 148,153.44

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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.