Home / 205,215.20-307,822.80-94,623.20

Finding the Fourth Proportional to 205,215.20, 307,822.80 and 94,623.20

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Solution

The fourth proportional to 205,215.20, 307,822.80 and 94,623.20 is: 141,934.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,215.20 : 307,822.80 = 94,623.20 : x
  2. Step 2: Convert to fraction form
    205,215.20/307,822.80 = 94,623.20/x
  3. Step 3: Cross multiply
    205,215.20x = 307,822.80 × 94,623.20
  4. Step 4: Simplify right side
    205,215.20x = 29,127,178,368.96
  5. Step 5: Solve for x
    x = 29,127,178,368.96/205,215.20
  6. Step 6: Final answer
    x = 141,934.80

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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.