Home / 102,237.80-153,381.30-43,090.38

Finding the Fourth Proportional to 102,237.80, 153,381.30 and 43,090.38

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Solution

The fourth proportional to 102,237.80, 153,381.30 and 43,090.38 is: 64,645.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,237.80 : 153,381.30 = 43,090.38 : x
  2. Step 2: Convert to fraction form
    102,237.80/153,381.30 = 43,090.38/x
  3. Step 3: Cross multiply
    102,237.80x = 153,381.30 × 43,090.38
  4. Step 4: Simplify right side
    102,237.80x = 6,609,258,340.31
  5. Step 5: Solve for x
    x = 6,609,258,340.31/102,237.80
  6. Step 6: Final answer
    x = 64,645.94

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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.