Home / 139,559.32-209,339.07-60,630.49

Finding the Fourth Proportional to 139,559.32, 209,339.07 and 60,630.49

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Solution

The fourth proportional to 139,559.32, 209,339.07 and 60,630.49 is: 90,945.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,559.32 : 209,339.07 = 60,630.49 : x
  2. Step 2: Convert to fraction form
    139,559.32/209,339.07 = 60,630.49/x
  3. Step 3: Cross multiply
    139,559.32x = 209,339.07 × 60,630.49
  4. Step 4: Simplify right side
    139,559.32x = 12,692,330,390.24
  5. Step 5: Solve for x
    x = 12,692,330,390.24/139,559.32
  6. Step 6: Final answer
    x = 90,945.77

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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.