Home / 120,302.08-166,018.34-66,592.10

Finding the Fourth Proportional to 120,302.08, 166,018.34 and 66,592.10

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Solution

The fourth proportional to 120,302.08, 166,018.34 and 66,592.10 is: 91,897.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,302.08 : 166,018.34 = 66,592.10 : x
  2. Step 2: Convert to fraction form
    120,302.08/166,018.34 = 66,592.10/x
  3. Step 3: Cross multiply
    120,302.08x = 166,018.34 × 66,592.10
  4. Step 4: Simplify right side
    120,302.08x = 11,055,510,480.64
  5. Step 5: Solve for x
    x = 11,055,510,480.64/120,302.08
  6. Step 6: Final answer
    x = 91,897.92

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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.