Home / 103,495.10-155,279.10-50,869.40

Finding the Fourth Proportional to 103,495.10, 155,279.10 and 50,869.40

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Solution

The fourth proportional to 103,495.10, 155,279.10 and 50,869.40 is: 76,322.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,495.10 : 155,279.10 = 50,869.40 : x
  2. Step 2: Convert to fraction form
    103,495.10/155,279.10 = 50,869.40/x
  3. Step 3: Cross multiply
    103,495.10x = 155,279.10 × 50,869.40
  4. Step 4: Simplify right side
    103,495.10x = 7,898,954,649.54
  5. Step 5: Solve for x
    x = 7,898,954,649.54/103,495.10
  6. Step 6: Final answer
    x = 76,322.02

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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.