Home / 120,522.20-166,303.16-66,807.20

Finding the Fourth Proportional to 120,522.20, 166,303.16 and 66,807.20

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Solution

The fourth proportional to 120,522.20, 166,303.16 and 66,807.20 is: 92,184.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,522.20 : 166,303.16 = 66,807.20 : x
  2. Step 2: Convert to fraction form
    120,522.20/166,303.16 = 66,807.20/x
  3. Step 3: Cross multiply
    120,522.20x = 166,303.16 × 66,807.20
  4. Step 4: Simplify right side
    120,522.20x = 11,110,248,470.75
  5. Step 5: Solve for x
    x = 11,110,248,470.75/120,522.20
  6. Step 6: Final answer
    x = 92,184.25

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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.