Home / 120,276.36-180,365.10-36,006.76

Finding the Fourth Proportional to 120,276.36, 180,365.10 and 36,006.76

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Solution

The fourth proportional to 120,276.36, 180,365.10 and 36,006.76 is: 53,995.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,276.36 : 180,365.10 = 36,006.76 : x
  2. Step 2: Convert to fraction form
    120,276.36/180,365.10 = 36,006.76/x
  3. Step 3: Cross multiply
    120,276.36x = 180,365.10 × 36,006.76
  4. Step 4: Simplify right side
    120,276.36x = 6,494,362,868.08
  5. Step 5: Solve for x
    x = 6,494,362,868.08/120,276.36
  6. Step 6: Final answer
    x = 53,995.34

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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.