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Finding the Fourth Proportional to 114,560.46, 171,754.29 and 75,127.50

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Solution

The fourth proportional to 114,560.46, 171,754.29 and 75,127.50 is: 112,634.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,560.46 : 171,754.29 = 75,127.50 : x
  2. Step 2: Convert to fraction form
    114,560.46/171,754.29 = 75,127.50/x
  3. Step 3: Cross multiply
    114,560.46x = 171,754.29 × 75,127.50
  4. Step 4: Simplify right side
    114,560.46x = 12,903,470,421.98
  5. Step 5: Solve for x
    x = 12,903,470,421.98/114,560.46
  6. Step 6: Final answer
    x = 112,634.59

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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.