Home / 120,192.12-180,292.77-35,953.47

Finding the Fourth Proportional to 120,192.12, 180,292.77 and 35,953.47

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Solution

The fourth proportional to 120,192.12, 180,292.77 and 35,953.47 is: 53,931.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,192.12 : 180,292.77 = 35,953.47 : x
  2. Step 2: Convert to fraction form
    120,192.12/180,292.77 = 35,953.47/x
  3. Step 3: Cross multiply
    120,192.12x = 180,292.77 × 35,953.47
  4. Step 4: Simplify right side
    120,192.12x = 6,482,150,697.41
  5. Step 5: Solve for x
    x = 6,482,150,697.41/120,192.12
  6. Step 6: Final answer
    x = 53,931.58

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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.