Home / 187,624.56-258,912.96-102,742.08

Finding the Fourth Proportional to 187,624.56, 258,912.96 and 102,742.08

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Solution

The fourth proportional to 187,624.56, 258,912.96 and 102,742.08 is: 141,779.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,624.56 : 258,912.96 = 102,742.08 : x
  2. Step 2: Convert to fraction form
    187,624.56/258,912.96 = 102,742.08/x
  3. Step 3: Cross multiply
    187,624.56x = 258,912.96 × 102,742.08
  4. Step 4: Simplify right side
    187,624.56x = 26,601,256,049.36
  5. Step 5: Solve for x
    x = 26,601,256,049.36/187,624.56
  6. Step 6: Final answer
    x = 141,779.18

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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.