Home / 119,302.91-164,635.83-65,587.44

Finding the Fourth Proportional to 119,302.91, 164,635.83 and 65,587.44

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Solution

The fourth proportional to 119,302.91, 164,635.83 and 65,587.44 is: 90,509.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,302.91 : 164,635.83 = 65,587.44 : x
  2. Step 2: Convert to fraction form
    119,302.91/164,635.83 = 65,587.44/x
  3. Step 3: Cross multiply
    119,302.91x = 164,635.83 × 65,587.44
  4. Step 4: Simplify right side
    119,302.91x = 10,798,042,621.98
  5. Step 5: Solve for x
    x = 10,798,042,621.98/119,302.91
  6. Step 6: Final answer
    x = 90,509.47

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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.