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Finding the Fourth Proportional to 152,876.84, 210,936.06 and 92,446.21

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Solution

The fourth proportional to 152,876.84, 210,936.06 and 92,446.21 is: 127,555.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,876.84 : 210,936.06 = 92,446.21 : x
  2. Step 2: Convert to fraction form
    152,876.84/210,936.06 = 92,446.21/x
  3. Step 3: Cross multiply
    152,876.84x = 210,936.06 × 92,446.21
  4. Step 4: Simplify right side
    152,876.84x = 19,500,239,563.00
  5. Step 5: Solve for x
    x = 19,500,239,563.00/152,876.84
  6. Step 6: Final answer
    x = 127,555.23

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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.