Home / 149,810.80-224,424.60-90,470.20

Finding the Fourth Proportional to 149,810.80, 224,424.60 and 90,470.20

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Solution

The fourth proportional to 149,810.80, 224,424.60 and 90,470.20 is: 135,529.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,810.80 : 224,424.60 = 90,470.20 : x
  2. Step 2: Convert to fraction form
    149,810.80/224,424.60 = 90,470.20/x
  3. Step 3: Cross multiply
    149,810.80x = 224,424.60 × 90,470.20
  4. Step 4: Simplify right side
    149,810.80x = 20,303,738,446.92
  5. Step 5: Solve for x
    x = 20,303,738,446.92/149,810.80
  6. Step 6: Final answer
    x = 135,529.20

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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.