Home / 120,225.28-180,329.24-53,671.36

Finding the Fourth Proportional to 120,225.28, 180,329.24 and 53,671.36

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Solution

The fourth proportional to 120,225.28, 180,329.24 and 53,671.36 is: 80,503.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,225.28 : 180,329.24 = 53,671.36 : x
  2. Step 2: Convert to fraction form
    120,225.28/180,329.24 = 53,671.36/x
  3. Step 3: Cross multiply
    120,225.28x = 180,329.24 × 53,671.36
  4. Step 4: Simplify right side
    120,225.28x = 9,678,515,558.57
  5. Step 5: Solve for x
    x = 9,678,515,558.57/120,225.28
  6. Step 6: Final answer
    x = 80,503.17

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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.