Home / 205,252.29-307,686.33-105,191.10

Finding the Fourth Proportional to 205,252.29, 307,686.33 and 105,191.10

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Solution

The fourth proportional to 205,252.29, 307,686.33 and 105,191.10 is: 157,688.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,252.29 : 307,686.33 = 105,191.10 : x
  2. Step 2: Convert to fraction form
    205,252.29/307,686.33 = 105,191.10/x
  3. Step 3: Cross multiply
    205,252.29x = 307,686.33 × 105,191.10
  4. Step 4: Simplify right side
    205,252.29x = 32,365,863,507.66
  5. Step 5: Solve for x
    x = 32,365,863,507.66/205,252.29
  6. Step 6: Final answer
    x = 157,688.20

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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.