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Finding the Fourth Proportional to 187,816.80, 281,206.80 and 146,344.80

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Solution

The fourth proportional to 187,816.80, 281,206.80 and 146,344.80 is: 219,113.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,816.80 : 281,206.80 = 146,344.80 : x
  2. Step 2: Convert to fraction form
    187,816.80/281,206.80 = 146,344.80/x
  3. Step 3: Cross multiply
    187,816.80x = 281,206.80 × 146,344.80
  4. Step 4: Simplify right side
    187,816.80x = 41,153,152,904.64
  5. Step 5: Solve for x
    x = 41,153,152,904.64/187,816.80
  6. Step 6: Final answer
    x = 219,113.27

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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.