Home / 202,529.50-279,507.07-111,893.40

Finding the Fourth Proportional to 202,529.50, 279,507.07 and 111,893.40

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Solution

The fourth proportional to 202,529.50, 279,507.07 and 111,893.40 is: 154,421.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,529.50 : 279,507.07 = 111,893.40 : x
  2. Step 2: Convert to fraction form
    202,529.50/279,507.07 = 111,893.40/x
  3. Step 3: Cross multiply
    202,529.50x = 279,507.07 × 111,893.40
  4. Step 4: Simplify right side
    202,529.50x = 31,274,996,526.20
  5. Step 5: Solve for x
    x = 31,274,996,526.20/202,529.50
  6. Step 6: Final answer
    x = 154,421.93

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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.