Home / 268,777.09-402,807.32-100,127.60

Finding the Fourth Proportional to 268,777.09, 402,807.32 and 100,127.60

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Solution

The fourth proportional to 268,777.09, 402,807.32 and 100,127.60 is: 150,057.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,777.09 : 402,807.32 = 100,127.60 : x
  2. Step 2: Convert to fraction form
    268,777.09/402,807.32 = 100,127.60/x
  3. Step 3: Cross multiply
    268,777.09x = 402,807.32 × 100,127.60
  4. Step 4: Simplify right side
    268,777.09x = 40,332,130,214.03
  5. Step 5: Solve for x
    x = 40,332,130,214.03/268,777.09
  6. Step 6: Final answer
    x = 150,057.92

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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.