Home / 120,445.12-180,602.52-95,644.72

Finding the Fourth Proportional to 120,445.12, 180,602.52 and 95,644.72

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Solution

The fourth proportional to 120,445.12, 180,602.52 and 95,644.72 is: 143,415.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,445.12 : 180,602.52 = 95,644.72 : x
  2. Step 2: Convert to fraction form
    120,445.12/180,602.52 = 95,644.72/x
  3. Step 3: Cross multiply
    120,445.12x = 180,602.52 × 95,644.72
  4. Step 4: Simplify right side
    120,445.12x = 17,273,677,456.69
  5. Step 5: Solve for x
    x = 17,273,677,456.69/120,445.12
  6. Step 6: Final answer
    x = 143,415.34

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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.