Home / 187,605.07-258,895.02-102,722.17

Finding the Fourth Proportional to 187,605.07, 258,895.02 and 102,722.17

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Solution

The fourth proportional to 187,605.07, 258,895.02 and 102,722.17 is: 141,756.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,605.07 : 258,895.02 = 102,722.17 : x
  2. Step 2: Convert to fraction form
    187,605.07/258,895.02 = 102,722.17/x
  3. Step 3: Cross multiply
    187,605.07x = 258,895.02 × 102,722.17
  4. Step 4: Simplify right side
    187,605.07x = 26,594,258,256.59
  5. Step 5: Solve for x
    x = 26,594,258,256.59/187,605.07
  6. Step 6: Final answer
    x = 141,756.61

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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.