Home / 120,598.07-166,435.30-66,900.40

Finding the Fourth Proportional to 120,598.07, 166,435.30 and 66,900.40

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Solution

The fourth proportional to 120,598.07, 166,435.30 and 66,900.40 is: 92,328.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,598.07 : 166,435.30 = 66,900.40 : x
  2. Step 2: Convert to fraction form
    120,598.07/166,435.30 = 66,900.40/x
  3. Step 3: Cross multiply
    120,598.07x = 166,435.30 × 66,900.40
  4. Step 4: Simplify right side
    120,598.07x = 11,134,588,144.12
  5. Step 5: Solve for x
    x = 11,134,588,144.12/120,598.07
  6. Step 6: Final answer
    x = 92,328.08

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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.