Home / 119,301.87-164,639.72-64,857.70

Finding the Fourth Proportional to 119,301.87, 164,639.72 and 64,857.70

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Solution

The fourth proportional to 119,301.87, 164,639.72 and 64,857.70 is: 89,505.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,301.87 : 164,639.72 = 64,857.70 : x
  2. Step 2: Convert to fraction form
    119,301.87/164,639.72 = 64,857.70/x
  3. Step 3: Cross multiply
    119,301.87x = 164,639.72 × 64,857.70
  4. Step 4: Simplify right side
    119,301.87x = 10,678,152,744.65
  5. Step 5: Solve for x
    x = 10,678,152,744.65/119,301.87
  6. Step 6: Final answer
    x = 89,505.33

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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.