Home / 195,315.29-292,996.38-68,929.45

Finding the Fourth Proportional to 195,315.29, 292,996.38 and 68,929.45

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Solution

The fourth proportional to 195,315.29, 292,996.38 and 68,929.45 is: 103,402.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,315.29 : 292,996.38 = 68,929.45 : x
  2. Step 2: Convert to fraction form
    195,315.29/292,996.38 = 68,929.45/x
  3. Step 3: Cross multiply
    195,315.29x = 292,996.38 × 68,929.45
  4. Step 4: Simplify right side
    195,315.29x = 20,196,079,325.39
  5. Step 5: Solve for x
    x = 20,196,079,325.39/195,315.29
  6. Step 6: Final answer
    x = 103,402.45

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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.