Home / 236,120.61-354,086.95-86,326.77

Finding the Fourth Proportional to 236,120.61, 354,086.95 and 86,326.77

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Solution

The fourth proportional to 236,120.61, 354,086.95 and 86,326.77 is: 129,455.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,120.61 : 354,086.95 = 86,326.77 : x
  2. Step 2: Convert to fraction form
    236,120.61/354,086.95 = 86,326.77/x
  3. Step 3: Cross multiply
    236,120.61x = 354,086.95 × 86,326.77
  4. Step 4: Simplify right side
    236,120.61x = 30,567,182,692.65
  5. Step 5: Solve for x
    x = 30,567,182,692.65/236,120.61
  6. Step 6: Final answer
    x = 129,455.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.