Home / 124,436.60-186,638.10-49,611.80

Finding the Fourth Proportional to 124,436.60, 186,638.10 and 49,611.80

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Solution

The fourth proportional to 124,436.60, 186,638.10 and 49,611.80 is: 74,411.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,436.60 : 186,638.10 = 49,611.80 : x
  2. Step 2: Convert to fraction form
    124,436.60/186,638.10 = 49,611.80/x
  3. Step 3: Cross multiply
    124,436.60x = 186,638.10 × 49,611.80
  4. Step 4: Simplify right side
    124,436.60x = 9,259,452,089.58
  5. Step 5: Solve for x
    x = 9,259,452,089.58/124,436.60
  6. Step 6: Final answer
    x = 74,411.00

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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.