Home / 102,250.72-153,396.81-43,086.36

Finding the Fourth Proportional to 102,250.72, 153,396.81 and 43,086.36

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Solution

The fourth proportional to 102,250.72, 153,396.81 and 43,086.36 is: 64,638.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,250.72 : 153,396.81 = 43,086.36 : x
  2. Step 2: Convert to fraction form
    102,250.72/153,396.81 = 43,086.36/x
  3. Step 3: Cross multiply
    102,250.72x = 153,396.81 × 43,086.36
  4. Step 4: Simplify right side
    102,250.72x = 6,609,310,178.51
  5. Step 5: Solve for x
    x = 6,609,310,178.51/102,250.72
  6. Step 6: Final answer
    x = 64,638.28

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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.