Home / 209,646.43-289,303.04-119,000.75

Finding the Fourth Proportional to 209,646.43, 289,303.04 and 119,000.75

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Solution

The fourth proportional to 209,646.43, 289,303.04 and 119,000.75 is: 164,215.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,646.43 : 289,303.04 = 119,000.75 : x
  2. Step 2: Convert to fraction form
    209,646.43/289,303.04 = 119,000.75/x
  3. Step 3: Cross multiply
    209,646.43x = 289,303.04 × 119,000.75
  4. Step 4: Simplify right side
    209,646.43x = 34,427,277,588.27
  5. Step 5: Solve for x
    x = 34,427,277,588.27/209,646.43
  6. Step 6: Final answer
    x = 164,215.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.