Home / 125,136.23-187,702.75-30,367.19

Finding the Fourth Proportional to 125,136.23, 187,702.75 and 30,367.19

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Solution

The fourth proportional to 125,136.23, 187,702.75 and 30,367.19 is: 45,550.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,136.23 : 187,702.75 = 30,367.19 : x
  2. Step 2: Convert to fraction form
    125,136.23/187,702.75 = 30,367.19/x
  3. Step 3: Cross multiply
    125,136.23x = 187,702.75 × 30,367.19
  4. Step 4: Simplify right side
    125,136.23x = 5,700,005,072.77
  5. Step 5: Solve for x
    x = 5,700,005,072.77/125,136.23
  6. Step 6: Final answer
    x = 45,550.40

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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.