Home / 236,578.31-326,477.93-129,148.32

Finding the Fourth Proportional to 236,578.31, 326,477.93 and 129,148.32

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Solution

The fourth proportional to 236,578.31, 326,477.93 and 129,148.32 is: 178,224.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,578.31 : 326,477.93 = 129,148.32 : x
  2. Step 2: Convert to fraction form
    236,578.31/326,477.93 = 129,148.32/x
  3. Step 3: Cross multiply
    236,578.31x = 326,477.93 × 129,148.32
  4. Step 4: Simplify right side
    236,578.31x = 42,164,073,898.45
  5. Step 5: Solve for x
    x = 42,164,073,898.45/236,578.31
  6. Step 6: Final answer
    x = 178,224.60

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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.