Home / 147,148.22-203,058.42-86,721.41

Finding the Fourth Proportional to 147,148.22, 203,058.42 and 86,721.41

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Solution

The fourth proportional to 147,148.22, 203,058.42 and 86,721.41 is: 119,671.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,148.22 : 203,058.42 = 86,721.41 : x
  2. Step 2: Convert to fraction form
    147,148.22/203,058.42 = 86,721.41/x
  3. Step 3: Cross multiply
    147,148.22x = 203,058.42 × 86,721.41
  4. Step 4: Simplify right side
    147,148.22x = 17,609,512,494.77
  5. Step 5: Solve for x
    x = 17,609,512,494.77/147,148.22
  6. Step 6: Final answer
    x = 119,671.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.