Home / 142,858.16-214,330.07-43,021.61

Finding the Fourth Proportional to 142,858.16, 214,330.07 and 43,021.61

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Solution

The fourth proportional to 142,858.16, 214,330.07 and 43,021.61 is: 64,545.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,858.16 : 214,330.07 = 43,021.61 : x
  2. Step 2: Convert to fraction form
    142,858.16/214,330.07 = 43,021.61/x
  3. Step 3: Cross multiply
    142,858.16x = 214,330.07 × 43,021.61
  4. Step 4: Simplify right side
    142,858.16x = 9,220,825,326.19
  5. Step 5: Solve for x
    x = 9,220,825,326.19/142,858.16
  6. Step 6: Final answer
    x = 64,545.32

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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.