Home / 187,283.50-258,451.32-102,401.26

Finding the Fourth Proportional to 187,283.50, 258,451.32 and 102,401.26

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Solution

The fourth proportional to 187,283.50, 258,451.32 and 102,401.26 is: 141,313.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,283.50 : 258,451.32 = 102,401.26 : x
  2. Step 2: Convert to fraction form
    187,283.50/258,451.32 = 102,401.26/x
  3. Step 3: Cross multiply
    187,283.50x = 258,451.32 × 102,401.26
  4. Step 4: Simplify right side
    187,283.50x = 26,465,740,816.66
  5. Step 5: Solve for x
    x = 26,465,740,816.66/187,283.50
  6. Step 6: Final answer
    x = 141,313.79

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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.