Home / 230,148.05-345,241.56-70,259.81

Finding the Fourth Proportional to 230,148.05, 345,241.56 and 70,259.81

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Solution

The fourth proportional to 230,148.05, 345,241.56 and 70,259.81 is: 105,395.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,148.05 : 345,241.56 = 70,259.81 : x
  2. Step 2: Convert to fraction form
    230,148.05/345,241.56 = 70,259.81/x
  3. Step 3: Cross multiply
    230,148.05x = 345,241.56 × 70,259.81
  4. Step 4: Simplify right side
    230,148.05x = 24,256,606,409.70
  5. Step 5: Solve for x
    x = 24,256,606,409.70/230,148.05
  6. Step 6: Final answer
    x = 105,395.66

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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.