Home / 152,380.63-210,282.23-84,398.17

Finding the Fourth Proportional to 152,380.63, 210,282.23 and 84,398.17

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Solution

The fourth proportional to 152,380.63, 210,282.23 and 84,398.17 is: 116,467.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,380.63 : 210,282.23 = 84,398.17 : x
  2. Step 2: Convert to fraction form
    152,380.63/210,282.23 = 84,398.17/x
  3. Step 3: Cross multiply
    152,380.63x = 210,282.23 × 84,398.17
  4. Step 4: Simplify right side
    152,380.63x = 17,747,434,579.41
  5. Step 5: Solve for x
    x = 17,747,434,579.41/152,380.63
  6. Step 6: Final answer
    x = 116,467.78

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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.