Home / 187,420.27-258,370.94-133,611.87

Finding the Fourth Proportional to 187,420.27, 258,370.94 and 133,611.87

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Solution

The fourth proportional to 187,420.27, 258,370.94 and 133,611.87 is: 184,192.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,420.27 : 258,370.94 = 133,611.87 : x
  2. Step 2: Convert to fraction form
    187,420.27/258,370.94 = 133,611.87/x
  3. Step 3: Cross multiply
    187,420.27x = 258,370.94 × 133,611.87
  4. Step 4: Simplify right side
    187,420.27x = 34,521,424,296.64
  5. Step 5: Solve for x
    x = 34,521,424,296.64/187,420.27
  6. Step 6: Final answer
    x = 184,192.59

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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.