Home / 120,985.32-166,960.26-67,275.24

Finding the Fourth Proportional to 120,985.32, 166,960.26 and 67,275.24

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Solution

The fourth proportional to 120,985.32, 166,960.26 and 67,275.24 is: 92,840.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,985.32 : 166,960.26 = 67,275.24 : x
  2. Step 2: Convert to fraction form
    120,985.32/166,960.26 = 67,275.24/x
  3. Step 3: Cross multiply
    120,985.32x = 166,960.26 × 67,275.24
  4. Step 4: Simplify right side
    120,985.32x = 11,232,291,561.96
  5. Step 5: Solve for x
    x = 11,232,291,561.96/120,985.32
  6. Step 6: Final answer
    x = 92,840.12

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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.