Home / 187,896.48-259,297.08-103,011.72

Finding the Fourth Proportional to 187,896.48, 259,297.08 and 103,011.72

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Solution

The fourth proportional to 187,896.48, 259,297.08 and 103,011.72 is: 142,156.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,896.48 : 259,297.08 = 103,011.72 : x
  2. Step 2: Convert to fraction form
    187,896.48/259,297.08 = 103,011.72/x
  3. Step 3: Cross multiply
    187,896.48x = 259,297.08 × 103,011.72
  4. Step 4: Simplify right side
    187,896.48x = 26,710,638,201.78
  5. Step 5: Solve for x
    x = 26,710,638,201.78/187,896.48
  6. Step 6: Final answer
    x = 142,156.14

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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.