Home / 152,769.85-210,822.11-84,787.66

Finding the Fourth Proportional to 152,769.85, 210,822.11 and 84,787.66

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Solution

The fourth proportional to 152,769.85, 210,822.11 and 84,787.66 is: 117,006.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,769.85 : 210,822.11 = 84,787.66 : x
  2. Step 2: Convert to fraction form
    152,769.85/210,822.11 = 84,787.66/x
  3. Step 3: Cross multiply
    152,769.85x = 210,822.11 × 84,787.66
  4. Step 4: Simplify right side
    152,769.85x = 17,875,113,540.71
  5. Step 5: Solve for x
    x = 17,875,113,540.71/152,769.85
  6. Step 6: Final answer
    x = 117,006.82

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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.