Home / 127,520.49-175,699.22-84,426.87

Finding the Fourth Proportional to 127,520.49, 175,699.22 and 84,426.87

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Solution

The fourth proportional to 127,520.49, 175,699.22 and 84,426.87 is: 116,324.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,520.49 : 175,699.22 = 84,426.87 : x
  2. Step 2: Convert to fraction form
    127,520.49/175,699.22 = 84,426.87/x
  3. Step 3: Cross multiply
    127,520.49x = 175,699.22 × 84,426.87
  4. Step 4: Simplify right side
    127,520.49x = 14,833,734,783.91
  5. Step 5: Solve for x
    x = 14,833,734,783.91/127,520.49
  6. Step 6: Final answer
    x = 116,324.32

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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.