Home / 122,009.05-182,775.21-84,051.62

Finding the Fourth Proportional to 122,009.05, 182,775.21 and 84,051.62

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Solution

The fourth proportional to 122,009.05, 182,775.21 and 84,051.62 is: 125,913.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,009.05 : 182,775.21 = 84,051.62 : x
  2. Step 2: Convert to fraction form
    122,009.05/182,775.21 = 84,051.62/x
  3. Step 3: Cross multiply
    122,009.05x = 182,775.21 × 84,051.62
  4. Step 4: Simplify right side
    122,009.05x = 15,362,552,496.34
  5. Step 5: Solve for x
    x = 15,362,552,496.34/122,009.05
  6. Step 6: Final answer
    x = 125,913.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.