Home / 131,236.39-181,104.18-73,875.58

Finding the Fourth Proportional to 131,236.39, 181,104.18 and 73,875.58

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Solution

The fourth proportional to 131,236.39, 181,104.18 and 73,875.58 is: 101,947.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,236.39 : 181,104.18 = 73,875.58 : x
  2. Step 2: Convert to fraction form
    131,236.39/181,104.18 = 73,875.58/x
  3. Step 3: Cross multiply
    131,236.39x = 181,104.18 × 73,875.58
  4. Step 4: Simplify right side
    131,236.39x = 13,379,176,337.92
  5. Step 5: Solve for x
    x = 13,379,176,337.92/131,236.39
  6. Step 6: Final answer
    x = 101,947.15

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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.