Home / 230,150.51-345,225.09-103,642.64

Finding the Fourth Proportional to 230,150.51, 345,225.09 and 103,642.64

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Solution

The fourth proportional to 230,150.51, 345,225.09 and 103,642.64 is: 155,463.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,150.51 : 345,225.09 = 103,642.64 : x
  2. Step 2: Convert to fraction form
    230,150.51/345,225.09 = 103,642.64/x
  3. Step 3: Cross multiply
    230,150.51x = 345,225.09 × 103,642.64
  4. Step 4: Simplify right side
    230,150.51x = 35,780,039,095.98
  5. Step 5: Solve for x
    x = 35,780,039,095.98/230,150.51
  6. Step 6: Final answer
    x = 155,463.65

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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.