Home / 136,893.06-205,346.88-43,406.10

Finding the Fourth Proportional to 136,893.06, 205,346.88 and 43,406.10

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Solution

The fourth proportional to 136,893.06, 205,346.88 and 43,406.10 is: 65,111.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,893.06 : 205,346.88 = 43,406.10 : x
  2. Step 2: Convert to fraction form
    136,893.06/205,346.88 = 43,406.10/x
  3. Step 3: Cross multiply
    136,893.06x = 205,346.88 × 43,406.10
  4. Step 4: Simplify right side
    136,893.06x = 8,913,307,207.97
  5. Step 5: Solve for x
    x = 8,913,307,207.97/136,893.06
  6. Step 6: Final answer
    x = 65,111.46

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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.