Home / 120,341.46-166,068.63-66,623.34

Finding the Fourth Proportional to 120,341.46, 166,068.63 and 66,623.34

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Solution

The fourth proportional to 120,341.46, 166,068.63 and 66,623.34 is: 91,938.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,341.46 : 166,068.63 = 66,623.34 : x
  2. Step 2: Convert to fraction form
    120,341.46/166,068.63 = 66,623.34/x
  3. Step 3: Cross multiply
    120,341.46x = 166,068.63 × 66,623.34
  4. Step 4: Simplify right side
    120,341.46x = 11,064,046,799.82
  5. Step 5: Solve for x
    x = 11,064,046,799.82/120,341.46
  6. Step 6: Final answer
    x = 91,938.78

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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.