Home / 127,161.08-175,506.50-84,141.42

Finding the Fourth Proportional to 127,161.08, 175,506.50 and 84,141.42

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Solution

The fourth proportional to 127,161.08, 175,506.50 and 84,141.42 is: 116,131.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,161.08 : 175,506.50 = 84,141.42 : x
  2. Step 2: Convert to fraction form
    127,161.08/175,506.50 = 84,141.42/x
  3. Step 3: Cross multiply
    127,161.08x = 175,506.50 × 84,141.42
  4. Step 4: Simplify right side
    127,161.08x = 14,767,365,708.52
  5. Step 5: Solve for x
    x = 14,767,365,708.52/127,161.08
  6. Step 6: Final answer
    x = 116,131.18

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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.