Home / 205,128.20-307,590.98-62,939.45

Finding the Fourth Proportional to 205,128.20, 307,590.98 and 62,939.45

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Solution

The fourth proportional to 205,128.20, 307,590.98 and 62,939.45 is: 94,378.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,128.20 : 307,590.98 = 62,939.45 : x
  2. Step 2: Convert to fraction form
    205,128.20/307,590.98 = 62,939.45/x
  3. Step 3: Cross multiply
    205,128.20x = 307,590.98 × 62,939.45
  4. Step 4: Simplify right side
    205,128.20x = 19,359,605,253.51
  5. Step 5: Solve for x
    x = 19,359,605,253.51/205,128.20
  6. Step 6: Final answer
    x = 94,378.08

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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.