Home / 239,564.16-330,526.08-138,942.72

Finding the Fourth Proportional to 239,564.16, 330,526.08 and 138,942.72

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Solution

The fourth proportional to 239,564.16, 330,526.08 and 138,942.72 is: 191,698.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,564.16 : 330,526.08 = 138,942.72 : x
  2. Step 2: Convert to fraction form
    239,564.16/330,526.08 = 138,942.72/x
  3. Step 3: Cross multiply
    239,564.16x = 330,526.08 × 138,942.72
  4. Step 4: Simplify right side
    239,564.16x = 45,924,192,586.14
  5. Step 5: Solve for x
    x = 45,924,192,586.14/239,564.16
  6. Step 6: Final answer
    x = 191,698.93

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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.