Home / 205,962.10-308,943.15-65,734.90

Finding the Fourth Proportional to 205,962.10, 308,943.15 and 65,734.90

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Solution

The fourth proportional to 205,962.10, 308,943.15 and 65,734.90 is: 98,602.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,962.10 : 308,943.15 = 65,734.90 : x
  2. Step 2: Convert to fraction form
    205,962.10/308,943.15 = 65,734.90/x
  3. Step 3: Cross multiply
    205,962.10x = 308,943.15 × 65,734.90
  4. Step 4: Simplify right side
    205,962.10x = 20,308,347,070.94
  5. Step 5: Solve for x
    x = 20,308,347,070.94/205,962.10
  6. Step 6: Final answer
    x = 98,602.35

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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.