Home / 124,705.92-187,075.80-40,438.60

Finding the Fourth Proportional to 124,705.92, 187,075.80 and 40,438.60

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Solution

The fourth proportional to 124,705.92, 187,075.80 and 40,438.60 is: 60,663.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,705.92 : 187,075.80 = 40,438.60 : x
  2. Step 2: Convert to fraction form
    124,705.92/187,075.80 = 40,438.60/x
  3. Step 3: Cross multiply
    124,705.92x = 187,075.80 × 40,438.60
  4. Step 4: Simplify right side
    124,705.92x = 7,565,083,445.88
  5. Step 5: Solve for x
    x = 7,565,083,445.88/124,705.92
  6. Step 6: Final answer
    x = 60,663.39

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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.