Home / 122,735.64-169,395.96-71,045.25

Finding the Fourth Proportional to 122,735.64, 169,395.96 and 71,045.25

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Solution

The fourth proportional to 122,735.64, 169,395.96 and 71,045.25 is: 98,054.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,735.64 : 169,395.96 = 71,045.25 : x
  2. Step 2: Convert to fraction form
    122,735.64/169,395.96 = 71,045.25/x
  3. Step 3: Cross multiply
    122,735.64x = 169,395.96 × 71,045.25
  4. Step 4: Simplify right side
    122,735.64x = 12,034,778,327.19
  5. Step 5: Solve for x
    x = 12,034,778,327.19/122,735.64
  6. Step 6: Final answer
    x = 98,054.47

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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.