Home / 145,438.74-218,136.24-50,683.32

Finding the Fourth Proportional to 145,438.74, 218,136.24 and 50,683.32

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Solution

The fourth proportional to 145,438.74, 218,136.24 and 50,683.32 is: 76,017.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,438.74 : 218,136.24 = 50,683.32 : x
  2. Step 2: Convert to fraction form
    145,438.74/218,136.24 = 50,683.32/x
  3. Step 3: Cross multiply
    145,438.74x = 218,136.24 × 50,683.32
  4. Step 4: Simplify right side
    145,438.74x = 11,055,868,855.52
  5. Step 5: Solve for x
    x = 11,055,868,855.52/145,438.74
  6. Step 6: Final answer
    x = 76,017.36

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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.