Home / 136,048.94-187,318.72-123,437.58

Finding the Fourth Proportional to 136,048.94, 187,318.72 and 123,437.58

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Solution

The fourth proportional to 136,048.94, 187,318.72 and 123,437.58 is: 169,954.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,048.94 : 187,318.72 = 123,437.58 : x
  2. Step 2: Convert to fraction form
    136,048.94/187,318.72 = 123,437.58/x
  3. Step 3: Cross multiply
    136,048.94x = 187,318.72 × 123,437.58
  4. Step 4: Simplify right side
    136,048.94x = 23,122,169,485.50
  5. Step 5: Solve for x
    x = 23,122,169,485.50/136,048.94
  6. Step 6: Final answer
    x = 169,954.79

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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.