Home / 102,139.56-153,213.46-35,586.43

Finding the Fourth Proportional to 102,139.56, 153,213.46 and 35,586.43

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Solution

The fourth proportional to 102,139.56, 153,213.46 and 35,586.43 is: 53,381.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,139.56 : 153,213.46 = 35,586.43 : x
  2. Step 2: Convert to fraction form
    102,139.56/153,213.46 = 35,586.43/x
  3. Step 3: Cross multiply
    102,139.56x = 153,213.46 × 35,586.43
  4. Step 4: Simplify right side
    102,139.56x = 5,452,319,597.35
  5. Step 5: Solve for x
    x = 5,452,319,597.35/102,139.56
  6. Step 6: Final answer
    x = 53,381.08

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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.