Home / 187,835.04-259,214.64-102,950.28

Finding the Fourth Proportional to 187,835.04, 259,214.64 and 102,950.28

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Solution

The fourth proportional to 187,835.04, 259,214.64 and 102,950.28 is: 142,072.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,835.04 : 259,214.64 = 102,950.28 : x
  2. Step 2: Convert to fraction form
    187,835.04/259,214.64 = 102,950.28/x
  3. Step 3: Cross multiply
    187,835.04x = 259,214.64 × 102,950.28
  4. Step 4: Simplify right side
    187,835.04x = 26,686,219,768.10
  5. Step 5: Solve for x
    x = 26,686,219,768.10/187,835.04
  6. Step 6: Final answer
    x = 142,072.64

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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.