Home / 187,437.81-258,670.62-102,554.85

Finding the Fourth Proportional to 187,437.81, 258,670.62 and 102,554.85

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Solution

The fourth proportional to 187,437.81, 258,670.62 and 102,554.85 is: 141,529.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,437.81 : 258,670.62 = 102,554.85 : x
  2. Step 2: Convert to fraction form
    187,437.81/258,670.62 = 102,554.85/x
  3. Step 3: Cross multiply
    187,437.81x = 258,670.62 × 102,554.85
  4. Step 4: Simplify right side
    187,437.81x = 26,527,926,633.51
  5. Step 5: Solve for x
    x = 26,527,926,633.51/187,437.81
  6. Step 6: Final answer
    x = 141,529.22

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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.