Home / 139,071.35-208,538.01-44,289.18

Finding the Fourth Proportional to 139,071.35, 208,538.01 and 44,289.18

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Solution

The fourth proportional to 139,071.35, 208,538.01 and 44,289.18 is: 66,411.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,071.35 : 208,538.01 = 44,289.18 : x
  2. Step 2: Convert to fraction form
    139,071.35/208,538.01 = 44,289.18/x
  3. Step 3: Cross multiply
    139,071.35x = 208,538.01 × 44,289.18
  4. Step 4: Simplify right side
    139,071.35x = 9,235,977,240.29
  5. Step 5: Solve for x
    x = 9,235,977,240.29/139,071.35
  6. Step 6: Final answer
    x = 66,411.79

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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.