Home / 209,325.32-313,944-69,051.08

Finding the Fourth Proportional to 209,325.32, 313,944 and 69,051.08

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Solution

The fourth proportional to 209,325.32, 313,944 and 69,051.08 is: 103,562.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,325.32 : 313,944 = 69,051.08 : x
  2. Step 2: Convert to fraction form
    209,325.32/313,944 = 69,051.08/x
  3. Step 3: Cross multiply
    209,325.32x = 313,944 × 69,051.08
  4. Step 4: Simplify right side
    209,325.32x = 21,678,172,259.52
  5. Step 5: Solve for x
    x = 21,678,172,259.52/209,325.32
  6. Step 6: Final answer
    x = 103,562.11

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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.