Home / 239,784.88-359,749.32-113,521.36

Finding the Fourth Proportional to 239,784.88, 359,749.32 and 113,521.36

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Solution

The fourth proportional to 239,784.88, 359,749.32 and 113,521.36 is: 170,316.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,784.88 : 359,749.32 = 113,521.36 : x
  2. Step 2: Convert to fraction form
    239,784.88/359,749.32 = 113,521.36/x
  3. Step 3: Cross multiply
    239,784.88x = 359,749.32 × 113,521.36
  4. Step 4: Simplify right side
    239,784.88x = 40,839,232,065.48
  5. Step 5: Solve for x
    x = 40,839,232,065.48/239,784.88
  6. Step 6: Final answer
    x = 170,316.13

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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.