Home / 145,529.44-218,378-61,283.04

Finding the Fourth Proportional to 145,529.44, 218,378 and 61,283.04

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Solution

The fourth proportional to 145,529.44, 218,378 and 61,283.04 is: 91,959.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,529.44 : 218,378 = 61,283.04 : x
  2. Step 2: Convert to fraction form
    145,529.44/218,378 = 61,283.04/x
  3. Step 3: Cross multiply
    145,529.44x = 218,378 × 61,283.04
  4. Step 4: Simplify right side
    145,529.44x = 13,382,867,709.12
  5. Step 5: Solve for x
    x = 13,382,867,709.12/145,529.44
  6. Step 6: Final answer
    x = 91,959.87

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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.