Home / 209,623.57-289,306.65-119,008.87

Finding the Fourth Proportional to 209,623.57, 289,306.65 and 119,008.87

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Solution

The fourth proportional to 209,623.57, 289,306.65 and 119,008.87 is: 164,247.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,623.57 : 289,306.65 = 119,008.87 : x
  2. Step 2: Convert to fraction form
    209,623.57/289,306.65 = 119,008.87/x
  3. Step 3: Cross multiply
    209,623.57x = 289,306.65 × 119,008.87
  4. Step 4: Simplify right side
    209,623.57x = 34,430,056,053.45
  5. Step 5: Solve for x
    x = 34,430,056,053.45/209,623.57
  6. Step 6: Final answer
    x = 164,247.07

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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.