Home / 187,846.08-259,140.96-108,312

Finding the Fourth Proportional to 187,846.08, 259,140.96 and 108,312

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Solution

The fourth proportional to 187,846.08, 259,140.96 and 108,312 is: 149,420.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,846.08 : 259,140.96 = 108,312 : x
  2. Step 2: Convert to fraction form
    187,846.08/259,140.96 = 108,312/x
  3. Step 3: Cross multiply
    187,846.08x = 259,140.96 × 108,312
  4. Step 4: Simplify right side
    187,846.08x = 28,068,075,659.52
  5. Step 5: Solve for x
    x = 28,068,075,659.52/187,846.08
  6. Step 6: Final answer
    x = 149,420.61

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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.