Home / 149,409.84-224,246.23-78,383.23

Finding the Fourth Proportional to 149,409.84, 224,246.23 and 78,383.23

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Solution

The fourth proportional to 149,409.84, 224,246.23 and 78,383.23 is: 117,643.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,409.84 : 224,246.23 = 78,383.23 : x
  2. Step 2: Convert to fraction form
    149,409.84/224,246.23 = 78,383.23/x
  3. Step 3: Cross multiply
    149,409.84x = 224,246.23 × 78,383.23
  4. Step 4: Simplify right side
    149,409.84x = 17,577,143,822.72
  5. Step 5: Solve for x
    x = 17,577,143,822.72/149,409.84
  6. Step 6: Final answer
    x = 117,643.82

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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.