Home / 155,706.29-214,874.67-84,086.31

Finding the Fourth Proportional to 155,706.29, 214,874.67 and 84,086.31

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Solution

The fourth proportional to 155,706.29, 214,874.67 and 84,086.31 is: 116,039.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,706.29 : 214,874.67 = 84,086.31 : x
  2. Step 2: Convert to fraction form
    155,706.29/214,874.67 = 84,086.31/x
  3. Step 3: Cross multiply
    155,706.29x = 214,874.67 × 84,086.31
  4. Step 4: Simplify right side
    155,706.29x = 18,068,017,622.31
  5. Step 5: Solve for x
    x = 18,068,017,622.31/155,706.29
  6. Step 6: Final answer
    x = 116,039.10

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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.