Home / 120,364.47-180,532.11-61,242.57

Finding the Fourth Proportional to 120,364.47, 180,532.11 and 61,242.57

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Solution

The fourth proportional to 120,364.47, 180,532.11 and 61,242.57 is: 91,856.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,364.47 : 180,532.11 = 61,242.57 : x
  2. Step 2: Convert to fraction form
    120,364.47/180,532.11 = 61,242.57/x
  3. Step 3: Cross multiply
    120,364.47x = 180,532.11 × 61,242.57
  4. Step 4: Simplify right side
    120,364.47x = 11,056,250,383.92
  5. Step 5: Solve for x
    x = 11,056,250,383.92/120,364.47
  6. Step 6: Final answer
    x = 91,856.43

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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.