Home / 367,777.40-551,666.10-131,127.80

Finding the Fourth Proportional to 367,777.40, 551,666.10 and 131,127.80

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Solution

The fourth proportional to 367,777.40, 551,666.10 and 131,127.80 is: 196,691.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,777.40 : 551,666.10 = 131,127.80 : x
  2. Step 2: Convert to fraction form
    367,777.40/551,666.10 = 131,127.80/x
  3. Step 3: Cross multiply
    367,777.40x = 551,666.10 × 131,127.80
  4. Step 4: Simplify right side
    367,777.40x = 72,338,762,027.58
  5. Step 5: Solve for x
    x = 72,338,762,027.58/367,777.40
  6. Step 6: Final answer
    x = 196,691.70

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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.