Home / 139,676.96-209,535.12-44,875.36

Finding the Fourth Proportional to 139,676.96, 209,535.12 and 44,875.36

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Solution

The fourth proportional to 139,676.96, 209,535.12 and 44,875.36 is: 67,319.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,676.96 : 209,535.12 = 44,875.36 : x
  2. Step 2: Convert to fraction form
    139,676.96/209,535.12 = 44,875.36/x
  3. Step 3: Cross multiply
    139,676.96x = 209,535.12 × 44,875.36
  4. Step 4: Simplify right side
    139,676.96x = 9,402,963,942.64
  5. Step 5: Solve for x
    x = 9,402,963,942.64/139,676.96
  6. Step 6: Final answer
    x = 67,319.36

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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.