Home / 102,869.36-154,316.44-36,295.80

Finding the Fourth Proportional to 102,869.36, 154,316.44 and 36,295.80

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Solution

The fourth proportional to 102,869.36, 154,316.44 and 36,295.80 is: 54,448.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,869.36 : 154,316.44 = 36,295.80 : x
  2. Step 2: Convert to fraction form
    102,869.36/154,316.44 = 36,295.80/x
  3. Step 3: Cross multiply
    102,869.36x = 154,316.44 × 36,295.80
  4. Step 4: Simplify right side
    102,869.36x = 5,601,038,642.95
  5. Step 5: Solve for x
    x = 5,601,038,642.95/102,869.36
  6. Step 6: Final answer
    x = 54,448.08

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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.