Home / 205,830.09-308,701.94-58,051.53

Finding the Fourth Proportional to 205,830.09, 308,701.94 and 58,051.53

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Solution

The fourth proportional to 205,830.09, 308,701.94 and 58,051.53 is: 87,065.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,830.09 : 308,701.94 = 58,051.53 : x
  2. Step 2: Convert to fraction form
    205,830.09/308,701.94 = 58,051.53/x
  3. Step 3: Cross multiply
    205,830.09x = 308,701.94 × 58,051.53
  4. Step 4: Simplify right side
    205,830.09x = 17,920,619,640.71
  5. Step 5: Solve for x
    x = 17,920,619,640.71/205,830.09
  6. Step 6: Final answer
    x = 87,065.11

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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.