Home / 230,122.77-317,493.32-134,561.81

Finding the Fourth Proportional to 230,122.77, 317,493.32 and 134,561.81

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Solution

The fourth proportional to 230,122.77, 317,493.32 and 134,561.81 is: 185,650.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,122.77 : 317,493.32 = 134,561.81 : x
  2. Step 2: Convert to fraction form
    230,122.77/317,493.32 = 134,561.81/x
  3. Step 3: Cross multiply
    230,122.77x = 317,493.32 × 134,561.81
  4. Step 4: Simplify right side
    230,122.77x = 42,722,473,541.83
  5. Step 5: Solve for x
    x = 42,722,473,541.83/230,122.77
  6. Step 6: Final answer
    x = 185,650.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.