Home / 236,835.90-326,827.98-129,406.32

Finding the Fourth Proportional to 236,835.90, 326,827.98 and 129,406.32

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Solution

The fourth proportional to 236,835.90, 326,827.98 and 129,406.32 is: 178,577.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,835.90 : 326,827.98 = 129,406.32 : x
  2. Step 2: Convert to fraction form
    236,835.90/326,827.98 = 129,406.32/x
  3. Step 3: Cross multiply
    236,835.90x = 326,827.98 × 129,406.32
  4. Step 4: Simplify right side
    236,835.90x = 42,293,606,164.83
  5. Step 5: Solve for x
    x = 42,293,606,164.83/236,835.90
  6. Step 6: Final answer
    x = 178,577.68

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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.