Home / 142,876.05-214,270.32-98,786.13

Finding the Fourth Proportional to 142,876.05, 214,270.32 and 98,786.13

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Solution

The fourth proportional to 142,876.05, 214,270.32 and 98,786.13 is: 148,148.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,876.05 : 214,270.32 = 98,786.13 : x
  2. Step 2: Convert to fraction form
    142,876.05/214,270.32 = 98,786.13/x
  3. Step 3: Cross multiply
    142,876.05x = 214,270.32 × 98,786.13
  4. Step 4: Simplify right side
    142,876.05x = 21,166,935,686.66
  5. Step 5: Solve for x
    x = 21,166,935,686.66/142,876.05
  6. Step 6: Final answer
    x = 148,148.94

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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.