Home / 122,397.72-168,773.94-84,606.36

Finding the Fourth Proportional to 122,397.72, 168,773.94 and 84,606.36

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Solution

The fourth proportional to 122,397.72, 168,773.94 and 84,606.36 is: 116,663.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,397.72 : 168,773.94 = 84,606.36 : x
  2. Step 2: Convert to fraction form
    122,397.72/168,773.94 = 84,606.36/x
  3. Step 3: Cross multiply
    122,397.72x = 168,773.94 × 84,606.36
  4. Step 4: Simplify right side
    122,397.72x = 14,279,348,726.26
  5. Step 5: Solve for x
    x = 14,279,348,726.26/122,397.72
  6. Step 6: Final answer
    x = 116,663.52

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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.