Home / 148,323.09-204,686.21-80,339.79

Finding the Fourth Proportional to 148,323.09, 204,686.21 and 80,339.79

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Solution

The fourth proportional to 148,323.09, 204,686.21 and 80,339.79 is: 110,869.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,323.09 : 204,686.21 = 80,339.79 : x
  2. Step 2: Convert to fraction form
    148,323.09/204,686.21 = 80,339.79/x
  3. Step 3: Cross multiply
    148,323.09x = 204,686.21 × 80,339.79
  4. Step 4: Simplify right side
    148,323.09x = 16,444,447,127.30
  5. Step 5: Solve for x
    x = 16,444,447,127.30/148,323.09
  6. Step 6: Final answer
    x = 110,869.10

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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.