Home / 133,055.32-199,616.10-39,558.52

Finding the Fourth Proportional to 133,055.32, 199,616.10 and 39,558.52

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Solution

The fourth proportional to 133,055.32, 199,616.10 and 39,558.52 is: 59,347.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,055.32 : 199,616.10 = 39,558.52 : x
  2. Step 2: Convert to fraction form
    133,055.32/199,616.10 = 39,558.52/x
  3. Step 3: Cross multiply
    133,055.32x = 199,616.10 × 39,558.52
  4. Step 4: Simplify right side
    133,055.32x = 7,896,517,484.17
  5. Step 5: Solve for x
    x = 7,896,517,484.17/133,055.32
  6. Step 6: Final answer
    x = 59,347.63

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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.