Home / 209,325.30-313,944-69,051.06

Finding the Fourth Proportional to 209,325.30, 313,944 and 69,051.06

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Solution

The fourth proportional to 209,325.30, 313,944 and 69,051.06 is: 103,562.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,325.30 : 313,944 = 69,051.06 : x
  2. Step 2: Convert to fraction form
    209,325.30/313,944 = 69,051.06/x
  3. Step 3: Cross multiply
    209,325.30x = 313,944 × 69,051.06
  4. Step 4: Simplify right side
    209,325.30x = 21,678,165,980.64
  5. Step 5: Solve for x
    x = 21,678,165,980.64/209,325.30
  6. Step 6: Final answer
    x = 103,562.09

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1.5x scale

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.