Home / 125,148.47-187,683.45-40,889.44

Finding the Fourth Proportional to 125,148.47, 187,683.45 and 40,889.44

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Solution

The fourth proportional to 125,148.47, 187,683.45 and 40,889.44 is: 61,321.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,148.47 : 187,683.45 = 40,889.44 : x
  2. Step 2: Convert to fraction form
    125,148.47/187,683.45 = 40,889.44/x
  3. Step 3: Cross multiply
    125,148.47x = 187,683.45 × 40,889.44
  4. Step 4: Simplify right side
    125,148.47x = 7,674,271,167.77
  5. Step 5: Solve for x
    x = 7,674,271,167.77/125,148.47
  6. Step 6: Final answer
    x = 61,321.33

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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.