Home / 124,417.60-186,626.40-45,539.80

Finding the Fourth Proportional to 124,417.60, 186,626.40 and 45,539.80

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Solution

The fourth proportional to 124,417.60, 186,626.40 and 45,539.80 is: 68,309.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,417.60 : 186,626.40 = 45,539.80 : x
  2. Step 2: Convert to fraction form
    124,417.60/186,626.40 = 45,539.80/x
  3. Step 3: Cross multiply
    124,417.60x = 186,626.40 × 45,539.80
  4. Step 4: Simplify right side
    124,417.60x = 8,498,928,930.72
  5. Step 5: Solve for x
    x = 8,498,928,930.72/124,417.60
  6. Step 6: Final answer
    x = 68,309.70

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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.