Home / 117,325.11-161,907.67-66,347.85

Finding the Fourth Proportional to 117,325.11, 161,907.67 and 66,347.85

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Solution

The fourth proportional to 117,325.11, 161,907.67 and 66,347.85 is: 91,559.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,325.11 : 161,907.67 = 66,347.85 : x
  2. Step 2: Convert to fraction form
    117,325.11/161,907.67 = 66,347.85/x
  3. Step 3: Cross multiply
    117,325.11x = 161,907.67 × 66,347.85
  4. Step 4: Simplify right side
    117,325.11x = 10,742,225,803.01
  5. Step 5: Solve for x
    x = 10,742,225,803.01/117,325.11
  6. Step 6: Final answer
    x = 91,559.48

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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.