Home / 149,463.70-224,325.07-78,436.52

Finding the Fourth Proportional to 149,463.70, 224,325.07 and 78,436.52

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Solution

The fourth proportional to 149,463.70, 224,325.07 and 78,436.52 is: 117,722.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,463.70 : 224,325.07 = 78,436.52 : x
  2. Step 2: Convert to fraction form
    149,463.70/224,325.07 = 78,436.52/x
  3. Step 3: Cross multiply
    149,463.70x = 224,325.07 × 78,436.52
  4. Step 4: Simplify right side
    149,463.70x = 17,595,277,363.06
  5. Step 5: Solve for x
    x = 17,595,277,363.06/149,463.70
  6. Step 6: Final answer
    x = 117,722.75

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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.