Home / 125,136.68-187,703.44-30,367.64

Finding the Fourth Proportional to 125,136.68, 187,703.44 and 30,367.64

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Solution

The fourth proportional to 125,136.68, 187,703.44 and 30,367.64 is: 45,551.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,136.68 : 187,703.44 = 30,367.64 : x
  2. Step 2: Convert to fraction form
    125,136.68/187,703.44 = 30,367.64/x
  3. Step 3: Cross multiply
    125,136.68x = 187,703.44 × 30,367.64
  4. Step 4: Simplify right side
    125,136.68x = 5,700,110,886.02
  5. Step 5: Solve for x
    x = 5,700,110,886.02/125,136.68
  6. Step 6: Final answer
    x = 45,551.08

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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.