Home / 187,564.30-258,838.74-102,681.36

Finding the Fourth Proportional to 187,564.30, 258,838.74 and 102,681.36

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Solution

The fourth proportional to 187,564.30, 258,838.74 and 102,681.36 is: 141,700.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,564.30 : 258,838.74 = 102,681.36 : x
  2. Step 2: Convert to fraction form
    187,564.30/258,838.74 = 102,681.36/x
  3. Step 3: Cross multiply
    187,564.30x = 258,838.74 × 102,681.36
  4. Step 4: Simplify right side
    187,564.30x = 26,577,913,843.89
  5. Step 5: Solve for x
    x = 26,577,913,843.89/187,564.30
  6. Step 6: Final answer
    x = 141,700.28

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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.