Home / 152,257.40-210,109.85-84,274.50

Finding the Fourth Proportional to 152,257.40, 210,109.85 and 84,274.50

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Solution

The fourth proportional to 152,257.40, 210,109.85 and 84,274.50 is: 116,295.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,257.40 : 210,109.85 = 84,274.50 : x
  2. Step 2: Convert to fraction form
    152,257.40/210,109.85 = 84,274.50/x
  3. Step 3: Cross multiply
    152,257.40x = 210,109.85 × 84,274.50
  4. Step 4: Simplify right side
    152,257.40x = 17,706,902,553.83
  5. Step 5: Solve for x
    x = 17,706,902,553.83/152,257.40
  6. Step 6: Final answer
    x = 116,295.84

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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.