Home / 239,681.04-330,748.75-137,634.70

Finding the Fourth Proportional to 239,681.04, 330,748.75 and 137,634.70

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Solution

The fourth proportional to 239,681.04, 330,748.75 and 137,634.70 is: 189,929.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,681.04 : 330,748.75 = 137,634.70 : x
  2. Step 2: Convert to fraction form
    239,681.04/330,748.75 = 137,634.70/x
  3. Step 3: Cross multiply
    239,681.04x = 330,748.75 × 137,634.70
  4. Step 4: Simplify right side
    239,681.04x = 45,522,504,981.63
  5. Step 5: Solve for x
    x = 45,522,504,981.63/239,681.04
  6. Step 6: Final answer
    x = 189,929.52

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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.