Home / 120,506.06-166,308.32-66,807.92

Finding the Fourth Proportional to 120,506.06, 166,308.32 and 66,807.92

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Solution

The fourth proportional to 120,506.06, 166,308.32 and 66,807.92 is: 92,200.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,506.06 : 166,308.32 = 66,807.92 : x
  2. Step 2: Convert to fraction form
    120,506.06/166,308.32 = 66,807.92/x
  3. Step 3: Cross multiply
    120,506.06x = 166,308.32 × 66,807.92
  4. Step 4: Simplify right side
    120,506.06x = 11,110,712,937.89
  5. Step 5: Solve for x
    x = 11,110,712,937.89/120,506.06
  6. Step 6: Final answer
    x = 92,200.45

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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.