Home / 120,303.44-166,035.72-70,018.64

Finding the Fourth Proportional to 120,303.44, 166,035.72 and 70,018.64

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Solution

The fourth proportional to 120,303.44, 166,035.72 and 70,018.64 is: 96,635.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,303.44 : 166,035.72 = 70,018.64 : x
  2. Step 2: Convert to fraction form
    120,303.44/166,035.72 = 70,018.64/x
  3. Step 3: Cross multiply
    120,303.44x = 166,035.72 × 70,018.64
  4. Step 4: Simplify right side
    120,303.44x = 11,625,595,305.82
  5. Step 5: Solve for x
    x = 11,625,595,305.82/120,303.44
  6. Step 6: Final answer
    x = 96,635.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.