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Finding the Fourth Proportional to 192,924.72, 265,856.98 and 147,653.84

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Solution

The fourth proportional to 192,924.72, 265,856.98 and 147,653.84 is: 203,472.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,924.72 : 265,856.98 = 147,653.84 : x
  2. Step 2: Convert to fraction form
    192,924.72/265,856.98 = 147,653.84/x
  3. Step 3: Cross multiply
    192,924.72x = 265,856.98 × 147,653.84
  4. Step 4: Simplify right side
    192,924.72x = 39,254,803,987.80
  5. Step 5: Solve for x
    x = 39,254,803,987.80/192,924.72
  6. Step 6: Final answer
    x = 203,472.13

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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.