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Finding the Fourth Proportional to 171,079.42, 256,602.62 and 52,718.98

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Solution

The fourth proportional to 171,079.42, 256,602.62 and 52,718.98 is: 79,073.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,079.42 : 256,602.62 = 52,718.98 : x
  2. Step 2: Convert to fraction form
    171,079.42/256,602.62 = 52,718.98/x
  3. Step 3: Cross multiply
    171,079.42x = 256,602.62 × 52,718.98
  4. Step 4: Simplify right side
    171,079.42x = 13,527,828,391.73
  5. Step 5: Solve for x
    x = 13,527,828,391.73/171,079.42
  6. Step 6: Final answer
    x = 79,073.38

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1.5x scale

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.