Home / 124,221.60-186,343.20-39,990.24

Finding the Fourth Proportional to 124,221.60, 186,343.20 and 39,990.24

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Solution

The fourth proportional to 124,221.60, 186,343.20 and 39,990.24 is: 59,988.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,221.60 : 186,343.20 = 39,990.24 : x
  2. Step 2: Convert to fraction form
    124,221.60/186,343.20 = 39,990.24/x
  3. Step 3: Cross multiply
    124,221.60x = 186,343.20 × 39,990.24
  4. Step 4: Simplify right side
    124,221.60x = 7,451,909,290.37
  5. Step 5: Solve for x
    x = 7,451,909,290.37/124,221.60
  6. Step 6: Final answer
    x = 59,988.84

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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.