Home / 125,141.22-187,710.26-30,372.19

Finding the Fourth Proportional to 125,141.22, 187,710.26 and 30,372.19

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Solution

The fourth proportional to 125,141.22, 187,710.26 and 30,372.19 is: 45,557.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,141.22 : 187,710.26 = 30,372.19 : x
  2. Step 2: Convert to fraction form
    125,141.22/187,710.26 = 30,372.19/x
  3. Step 3: Cross multiply
    125,141.22x = 187,710.26 × 30,372.19
  4. Step 4: Simplify right side
    125,141.22x = 5,701,171,060.53
  5. Step 5: Solve for x
    x = 5,701,171,060.53/125,141.22
  6. Step 6: Final answer
    x = 45,557.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.