Home / 164,090.81-226,445.52-88,639.31

Finding the Fourth Proportional to 164,090.81, 226,445.52 and 88,639.31

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Solution

The fourth proportional to 164,090.81, 226,445.52 and 88,639.31 is: 122,322.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,090.81 : 226,445.52 = 88,639.31 : x
  2. Step 2: Convert to fraction form
    164,090.81/226,445.52 = 88,639.31/x
  3. Step 3: Cross multiply
    164,090.81x = 226,445.52 × 88,639.31
  4. Step 4: Simplify right side
    164,090.81x = 20,071,975,543.90
  5. Step 5: Solve for x
    x = 20,071,975,543.90/164,090.81
  6. Step 6: Final answer
    x = 122,322.36

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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.