Home / 208,836.63-312,810.12-102,056.22

Finding the Fourth Proportional to 208,836.63, 312,810.12 and 102,056.22

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Solution

The fourth proportional to 208,836.63, 312,810.12 and 102,056.22 is: 152,866.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,836.63 : 312,810.12 = 102,056.22 : x
  2. Step 2: Convert to fraction form
    208,836.63/312,810.12 = 102,056.22/x
  3. Step 3: Cross multiply
    208,836.63x = 312,810.12 × 102,056.22
  4. Step 4: Simplify right side
    208,836.63x = 31,924,218,424.95
  5. Step 5: Solve for x
    x = 31,924,218,424.95/208,836.63
  6. Step 6: Final answer
    x = 152,866.95

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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.