Home / 149,034.40-223,551.60-55,520.80

Finding the Fourth Proportional to 149,034.40, 223,551.60 and 55,520.80

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Solution

The fourth proportional to 149,034.40, 223,551.60 and 55,520.80 is: 83,281.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,034.40 : 223,551.60 = 55,520.80 : x
  2. Step 2: Convert to fraction form
    149,034.40/223,551.60 = 55,520.80/x
  3. Step 3: Cross multiply
    149,034.40x = 223,551.60 × 55,520.80
  4. Step 4: Simplify right side
    149,034.40x = 12,411,763,673.28
  5. Step 5: Solve for x
    x = 12,411,763,673.28/149,034.40
  6. Step 6: Final answer
    x = 83,281.20

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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.