Home / 98,726.76-148,094.19-82,203.30

Finding the Fourth Proportional to 98,726.76, 148,094.19 and 82,203.30

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Solution

The fourth proportional to 98,726.76, 148,094.19 and 82,203.30 is: 123,308.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,726.76 : 148,094.19 = 82,203.30 : x
  2. Step 2: Convert to fraction form
    98,726.76/148,094.19 = 82,203.30/x
  3. Step 3: Cross multiply
    98,726.76x = 148,094.19 × 82,203.30
  4. Step 4: Simplify right side
    98,726.76x = 12,173,831,128.83
  5. Step 5: Solve for x
    x = 12,173,831,128.83/98,726.76
  6. Step 6: Final answer
    x = 123,308.32

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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.