Home / 163,728.02-225,975.62-102,502.69

Finding the Fourth Proportional to 163,728.02, 225,975.62 and 102,502.69

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Solution

The fourth proportional to 163,728.02, 225,975.62 and 102,502.69 is: 141,473.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,728.02 : 225,975.62 = 102,502.69 : x
  2. Step 2: Convert to fraction form
    163,728.02/225,975.62 = 102,502.69/x
  3. Step 3: Cross multiply
    163,728.02x = 225,975.62 × 102,502.69
  4. Step 4: Simplify right side
    163,728.02x = 23,163,108,924.42
  5. Step 5: Solve for x
    x = 23,163,108,924.42/163,728.02
  6. Step 6: Final answer
    x = 141,473.09

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1.5x scale

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.