Home / 120,935.69-166,886.99-66,487.46

Finding the Fourth Proportional to 120,935.69, 166,886.99 and 66,487.46

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Solution

The fourth proportional to 120,935.69, 166,886.99 and 66,487.46 is: 91,750.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,935.69 : 166,886.99 = 66,487.46 : x
  2. Step 2: Convert to fraction form
    120,935.69/166,886.99 = 66,487.46/x
  3. Step 3: Cross multiply
    120,935.69x = 166,886.99 × 66,487.46
  4. Step 4: Simplify right side
    120,935.69x = 11,095,891,467.51
  5. Step 5: Solve for x
    x = 11,095,891,467.51/120,935.69
  6. Step 6: Final answer
    x = 91,750.35

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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.