Home / 102,645.23-153,984.85-36,068.09

Finding the Fourth Proportional to 102,645.23, 153,984.85 and 36,068.09

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Solution

The fourth proportional to 102,645.23, 153,984.85 and 36,068.09 is: 54,108.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,645.23 : 153,984.85 = 36,068.09 : x
  2. Step 2: Convert to fraction form
    102,645.23/153,984.85 = 36,068.09/x
  3. Step 3: Cross multiply
    102,645.23x = 153,984.85 × 36,068.09
  4. Step 4: Simplify right side
    102,645.23x = 5,553,938,568.34
  5. Step 5: Solve for x
    x = 5,553,938,568.34/102,645.23
  6. Step 6: Final answer
    x = 54,108.10

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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.