Home / 205,248.06-307,813.77-130,255.02

Finding the Fourth Proportional to 205,248.06, 307,813.77 and 130,255.02

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Solution

The fourth proportional to 205,248.06, 307,813.77 and 130,255.02 is: 195,345.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,248.06 : 307,813.77 = 130,255.02 : x
  2. Step 2: Convert to fraction form
    205,248.06/307,813.77 = 130,255.02/x
  3. Step 3: Cross multiply
    205,248.06x = 307,813.77 × 130,255.02
  4. Step 4: Simplify right side
    205,248.06x = 40,094,288,767.63
  5. Step 5: Solve for x
    x = 40,094,288,767.63/205,248.06
  6. Step 6: Final answer
    x = 195,345.52

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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.