Home / 252,089.20-377,777.40-139,818.88

Finding the Fourth Proportional to 252,089.20, 377,777.40 and 139,818.88

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Solution

The fourth proportional to 252,089.20, 377,777.40 and 139,818.88 is: 209,530.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,089.20 : 377,777.40 = 139,818.88 : x
  2. Step 2: Convert to fraction form
    252,089.20/377,777.40 = 139,818.88/x
  3. Step 3: Cross multiply
    252,089.20x = 377,777.40 × 139,818.88
  4. Step 4: Simplify right side
    252,089.20x = 52,820,412,957.31
  5. Step 5: Solve for x
    x = 52,820,412,957.31/252,089.20
  6. Step 6: Final answer
    x = 209,530.65

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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.