Home / 131,156.82-180,973.85-73,788.17

Finding the Fourth Proportional to 131,156.82, 180,973.85 and 73,788.17

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Solution

The fourth proportional to 131,156.82, 180,973.85 and 73,788.17 is: 101,814.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,156.82 : 180,973.85 = 73,788.17 : x
  2. Step 2: Convert to fraction form
    131,156.82/180,973.85 = 73,788.17/x
  3. Step 3: Cross multiply
    131,156.82x = 180,973.85 × 73,788.17
  4. Step 4: Simplify right side
    131,156.82x = 13,353,727,935.54
  5. Step 5: Solve for x
    x = 13,353,727,935.54/131,156.82
  6. Step 6: Final answer
    x = 101,814.97

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1.5x scale

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.