Home / 205,032.04-282,937.80-120,205.60

Finding the Fourth Proportional to 205,032.04, 282,937.80 and 120,205.60

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Solution

The fourth proportional to 205,032.04, 282,937.80 and 120,205.60 is: 165,879.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,032.04 : 282,937.80 = 120,205.60 : x
  2. Step 2: Convert to fraction form
    205,032.04/282,937.80 = 120,205.60/x
  3. Step 3: Cross multiply
    205,032.04x = 282,937.80 × 120,205.60
  4. Step 4: Simplify right side
    205,032.04x = 34,010,708,011.68
  5. Step 5: Solve for x
    x = 34,010,708,011.68/205,032.04
  6. Step 6: Final answer
    x = 165,879.97

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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.