Home / 147,308.63-203,276.33-86,865.41

Finding the Fourth Proportional to 147,308.63, 203,276.33 and 86,865.41

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Solution

The fourth proportional to 147,308.63, 203,276.33 and 86,865.41 is: 119,868.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,308.63 : 203,276.33 = 86,865.41 : x
  2. Step 2: Convert to fraction form
    147,308.63/203,276.33 = 86,865.41/x
  3. Step 3: Cross multiply
    147,308.63x = 203,276.33 × 86,865.41
  4. Step 4: Simplify right side
    147,308.63x = 17,657,682,636.97
  5. Step 5: Solve for x
    x = 17,657,682,636.97/147,308.63
  6. Step 6: Final answer
    x = 119,868.63

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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.