Home / 187,573.04-258,857.32-102,690.72

Finding the Fourth Proportional to 187,573.04, 258,857.32 and 102,690.72

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Solution

The fourth proportional to 187,573.04, 258,857.32 and 102,690.72 is: 141,716.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,573.04 : 258,857.32 = 102,690.72 : x
  2. Step 2: Convert to fraction form
    187,573.04/258,857.32 = 102,690.72/x
  3. Step 3: Cross multiply
    187,573.04x = 258,857.32 × 102,690.72
  4. Step 4: Simplify right side
    187,573.04x = 26,582,244,568.07
  5. Step 5: Solve for x
    x = 26,582,244,568.07/187,573.04
  6. Step 6: Final answer
    x = 141,716.77

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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.