Home / 148,777.02-205,308.27-80,790.89

Finding the Fourth Proportional to 148,777.02, 205,308.27 and 80,790.89

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Solution

The fourth proportional to 148,777.02, 205,308.27 and 80,790.89 is: 111,489.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,777.02 : 205,308.27 = 80,790.89 : x
  2. Step 2: Convert to fraction form
    148,777.02/205,308.27 = 80,790.89/x
  3. Step 3: Cross multiply
    148,777.02x = 205,308.27 × 80,790.89
  4. Step 4: Simplify right side
    148,777.02x = 16,587,036,831.12
  5. Step 5: Solve for x
    x = 16,587,036,831.12/148,777.02
  6. Step 6: Final answer
    x = 111,489.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.