Home / 149,947.40-224,808.72-90,768.80

Finding the Fourth Proportional to 149,947.40, 224,808.72 and 90,768.80

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Solution

The fourth proportional to 149,947.40, 224,808.72 and 90,768.80 is: 136,085.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,947.40 : 224,808.72 = 90,768.80 : x
  2. Step 2: Convert to fraction form
    149,947.40/224,808.72 = 90,768.80/x
  3. Step 3: Cross multiply
    149,947.40x = 224,808.72 × 90,768.80
  4. Step 4: Simplify right side
    149,947.40x = 20,405,617,743.94
  5. Step 5: Solve for x
    x = 20,405,617,743.94/149,947.40
  6. Step 6: Final answer
    x = 136,085.17

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1.5x scale

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.