Home / 187,283.10-258,450.67-102,400.17

Finding the Fourth Proportional to 187,283.10, 258,450.67 and 102,400.17

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Solution

The fourth proportional to 187,283.10, 258,450.67 and 102,400.17 is: 141,312.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,283.10 : 258,450.67 = 102,400.17 : x
  2. Step 2: Convert to fraction form
    187,283.10/258,450.67 = 102,400.17/x
  3. Step 3: Cross multiply
    187,283.10x = 258,450.67 × 102,400.17
  4. Step 4: Simplify right side
    187,283.10x = 26,465,392,544.61
  5. Step 5: Solve for x
    x = 26,465,392,544.61/187,283.10
  6. Step 6: Final answer
    x = 141,312.23

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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.