Home / 152,919.35-210,943.64-142,094.61

Finding the Fourth Proportional to 152,919.35, 210,943.64 and 142,094.61

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Solution

The fourth proportional to 152,919.35, 210,943.64 and 142,094.61 is: 196,011.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,919.35 : 210,943.64 = 142,094.61 : x
  2. Step 2: Convert to fraction form
    152,919.35/210,943.64 = 142,094.61/x
  3. Step 3: Cross multiply
    152,919.35x = 210,943.64 × 142,094.61
  4. Step 4: Simplify right side
    152,919.35x = 29,973,954,257.78
  5. Step 5: Solve for x
    x = 29,973,954,257.78/152,919.35
  6. Step 6: Final answer
    x = 196,011.52

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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.