Home / 120,775.60-181,886.71-110,001.88

Finding the Fourth Proportional to 120,775.60, 181,886.71 and 110,001.88

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Solution

The fourth proportional to 120,775.60, 181,886.71 and 110,001.88 is: 165,661.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,775.60 : 181,886.71 = 110,001.88 : x
  2. Step 2: Convert to fraction form
    120,775.60/181,886.71 = 110,001.88/x
  3. Step 3: Cross multiply
    120,775.60x = 181,886.71 × 110,001.88
  4. Step 4: Simplify right side
    120,775.60x = 20,007,880,047.01
  5. Step 5: Solve for x
    x = 20,007,880,047.01/120,775.60
  6. Step 6: Final answer
    x = 165,661.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.