Home / 235,072.22-352,607.64-85,312.34

Finding the Fourth Proportional to 235,072.22, 352,607.64 and 85,312.34

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Solution

The fourth proportional to 235,072.22, 352,607.64 and 85,312.34 is: 127,968.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,072.22 : 352,607.64 = 85,312.34 : x
  2. Step 2: Convert to fraction form
    235,072.22/352,607.64 = 85,312.34/x
  3. Step 3: Cross multiply
    235,072.22x = 352,607.64 × 85,312.34
  4. Step 4: Simplify right side
    235,072.22x = 30,081,782,870.28
  5. Step 5: Solve for x
    x = 30,081,782,870.28/235,072.22
  6. Step 6: Final answer
    x = 127,968.26

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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.