Home / 164,386.83-226,840.91-100,715.97

Finding the Fourth Proportional to 164,386.83, 226,840.91 and 100,715.97

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Solution

The fourth proportional to 164,386.83, 226,840.91 and 100,715.97 is: 138,980.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,386.83 : 226,840.91 = 100,715.97 : x
  2. Step 2: Convert to fraction form
    164,386.83/226,840.91 = 100,715.97/x
  3. Step 3: Cross multiply
    164,386.83x = 226,840.91 × 100,715.97
  4. Step 4: Simplify right side
    164,386.83x = 22,846,501,782.75
  5. Step 5: Solve for x
    x = 22,846,501,782.75/164,386.83
  6. Step 6: Final answer
    x = 138,980.12

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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.