Home / 137,182.83-189,248.34-88,800.36

Finding the Fourth Proportional to 137,182.83, 189,248.34 and 88,800.36

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Solution

The fourth proportional to 137,182.83, 189,248.34 and 88,800.36 is: 122,503.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,182.83 : 189,248.34 = 88,800.36 : x
  2. Step 2: Convert to fraction form
    137,182.83/189,248.34 = 88,800.36/x
  3. Step 3: Cross multiply
    137,182.83x = 189,248.34 × 88,800.36
  4. Step 4: Simplify right side
    137,182.83x = 16,805,320,721.40
  5. Step 5: Solve for x
    x = 16,805,320,721.40/137,182.83
  6. Step 6: Final answer
    x = 122,503.09

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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.