Home / 187,259.34-258,418.81-102,376.41

Finding the Fourth Proportional to 187,259.34, 258,418.81 and 102,376.41

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Solution

The fourth proportional to 187,259.34, 258,418.81 and 102,376.41 is: 141,279.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,259.34 : 258,418.81 = 102,376.41 : x
  2. Step 2: Convert to fraction form
    187,259.34/258,418.81 = 102,376.41/x
  3. Step 3: Cross multiply
    187,259.34x = 258,418.81 × 102,376.41
  4. Step 4: Simplify right side
    187,259.34x = 26,455,988,627.30
  5. Step 5: Solve for x
    x = 26,455,988,627.30/187,259.34
  6. Step 6: Final answer
    x = 141,279.94

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1.5x scale

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.