Home / 124,215.58-186,323.60-45,311.46

Finding the Fourth Proportional to 124,215.58, 186,323.60 and 45,311.46

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Solution

The fourth proportional to 124,215.58, 186,323.60 and 45,311.46 is: 67,967.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,215.58 : 186,323.60 = 45,311.46 : x
  2. Step 2: Convert to fraction form
    124,215.58/186,323.60 = 45,311.46/x
  3. Step 3: Cross multiply
    124,215.58x = 186,323.60 × 45,311.46
  4. Step 4: Simplify right side
    124,215.58x = 8,442,594,348.46
  5. Step 5: Solve for x
    x = 8,442,594,348.46/124,215.58
  6. Step 6: Final answer
    x = 67,967.27

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1.5x scale

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.