Home / 187,262.82-258,426.65-102,378.06

Finding the Fourth Proportional to 187,262.82, 258,426.65 and 102,378.06

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Solution

The fourth proportional to 187,262.82, 258,426.65 and 102,378.06 is: 141,283.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,262.82 : 258,426.65 = 102,378.06 : x
  2. Step 2: Convert to fraction form
    187,262.82/258,426.65 = 102,378.06/x
  3. Step 3: Cross multiply
    187,262.82x = 258,426.65 × 102,378.06
  4. Step 4: Simplify right side
    187,262.82x = 26,457,219,335.24
  5. Step 5: Solve for x
    x = 26,457,219,335.24/187,262.82
  6. Step 6: Final answer
    x = 141,283.89

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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.