Home / 120,322.94-166,054.88-68,641.17

Finding the Fourth Proportional to 120,322.94, 166,054.88 and 68,641.17

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Solution

The fourth proportional to 120,322.94, 166,054.88 and 68,641.17 is: 94,730.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,322.94 : 166,054.88 = 68,641.17 : x
  2. Step 2: Convert to fraction form
    120,322.94/166,054.88 = 68,641.17/x
  3. Step 3: Cross multiply
    120,322.94x = 166,054.88 × 68,641.17
  4. Step 4: Simplify right side
    120,322.94x = 11,398,201,319.34
  5. Step 5: Solve for x
    x = 11,398,201,319.34/120,322.94
  6. Step 6: Final answer
    x = 94,730.08

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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.