Home / 345,147.81-517,777.82-102,013.56

Finding the Fourth Proportional to 345,147.81, 517,777.82 and 102,013.56

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Solution

The fourth proportional to 345,147.81, 517,777.82 and 102,013.56 is: 153,036.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,147.81 : 517,777.82 = 102,013.56 : x
  2. Step 2: Convert to fraction form
    345,147.81/517,777.82 = 102,013.56/x
  3. Step 3: Cross multiply
    345,147.81x = 517,777.82 × 102,013.56
  4. Step 4: Simplify right side
    345,147.81x = 52,820,358,707.24
  5. Step 5: Solve for x
    x = 52,820,358,707.24/345,147.81
  6. Step 6: Final answer
    x = 153,036.92

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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.