Home / 124,946-187,438.50-40,686.26

Finding the Fourth Proportional to 124,946, 187,438.50 and 40,686.26

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Solution

The fourth proportional to 124,946, 187,438.50 and 40,686.26 is: 61,035.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,946 : 187,438.50 = 40,686.26 : x
  2. Step 2: Convert to fraction form
    124,946/187,438.50 = 40,686.26/x
  3. Step 3: Cross multiply
    124,946x = 187,438.50 × 40,686.26
  4. Step 4: Simplify right side
    124,946x = 7,626,171,545.01
  5. Step 5: Solve for x
    x = 7,626,171,545.01/124,946
  6. Step 6: Final answer
    x = 61,035.74

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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.