Home / 122,688.07-169,308.53-68,973.32

Finding the Fourth Proportional to 122,688.07, 169,308.53 and 68,973.32

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Solution

The fourth proportional to 122,688.07, 169,308.53 and 68,973.32 is: 95,182.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,688.07 : 169,308.53 = 68,973.32 : x
  2. Step 2: Convert to fraction form
    122,688.07/169,308.53 = 68,973.32/x
  3. Step 3: Cross multiply
    122,688.07x = 169,308.53 × 68,973.32
  4. Step 4: Simplify right side
    122,688.07x = 11,677,771,755.47
  5. Step 5: Solve for x
    x = 11,677,771,755.47/122,688.07
  6. Step 6: Final answer
    x = 95,182.62

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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.