Home / 119,072.08-164,318.89-65,358.01

Finding the Fourth Proportional to 119,072.08, 164,318.89 and 65,358.01

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Solution

The fourth proportional to 119,072.08, 164,318.89 and 65,358.01 is: 90,193.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,072.08 : 164,318.89 = 65,358.01 : x
  2. Step 2: Convert to fraction form
    119,072.08/164,318.89 = 65,358.01/x
  3. Step 3: Cross multiply
    119,072.08x = 164,318.89 × 65,358.01
  4. Step 4: Simplify right side
    119,072.08x = 10,739,555,655.81
  5. Step 5: Solve for x
    x = 10,739,555,655.81/119,072.08
  6. Step 6: Final answer
    x = 90,193.74

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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.