Home / 236,474.98-326,342.39-129,051.90

Finding the Fourth Proportional to 236,474.98, 326,342.39 and 129,051.90

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Solution

The fourth proportional to 236,474.98, 326,342.39 and 129,051.90 is: 178,095.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,474.98 : 326,342.39 = 129,051.90 : x
  2. Step 2: Convert to fraction form
    236,474.98/326,342.39 = 129,051.90/x
  3. Step 3: Cross multiply
    236,474.98x = 326,342.39 × 129,051.90
  4. Step 4: Simplify right side
    236,474.98x = 42,115,104,834.78
  5. Step 5: Solve for x
    x = 42,115,104,834.78/236,474.98
  6. Step 6: Final answer
    x = 178,095.40

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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.