Home / 127,182.83-175,476.38-81,887.04

Finding the Fourth Proportional to 127,182.83, 175,476.38 and 81,887.04

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Solution

The fourth proportional to 127,182.83, 175,476.38 and 81,887.04 is: 112,980.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,182.83 : 175,476.38 = 81,887.04 : x
  2. Step 2: Convert to fraction form
    127,182.83/175,476.38 = 81,887.04/x
  3. Step 3: Cross multiply
    127,182.83x = 175,476.38 × 81,887.04
  4. Step 4: Simplify right side
    127,182.83x = 14,369,240,938.68
  5. Step 5: Solve for x
    x = 14,369,240,938.68/127,182.83
  6. Step 6: Final answer
    x = 112,980.99

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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.