Home / 187,104.88-258,210.54-102,220.12

Finding the Fourth Proportional to 187,104.88, 258,210.54 and 102,220.12

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Solution

The fourth proportional to 187,104.88, 258,210.54 and 102,220.12 is: 141,066.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,104.88 : 258,210.54 = 102,220.12 : x
  2. Step 2: Convert to fraction form
    187,104.88/258,210.54 = 102,220.12/x
  3. Step 3: Cross multiply
    187,104.88x = 258,210.54 × 102,220.12
  4. Step 4: Simplify right side
    187,104.88x = 26,394,312,384.06
  5. Step 5: Solve for x
    x = 26,394,312,384.06/187,104.88
  6. Step 6: Final answer
    x = 141,066.94

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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.