Home / 127,461.24-191,256.12-90,260.37

Finding the Fourth Proportional to 127,461.24, 191,256.12 and 90,260.37

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Solution

The fourth proportional to 127,461.24, 191,256.12 and 90,260.37 is: 135,436.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,461.24 : 191,256.12 = 90,260.37 : x
  2. Step 2: Convert to fraction form
    127,461.24/191,256.12 = 90,260.37/x
  3. Step 3: Cross multiply
    127,461.24x = 191,256.12 × 90,260.37
  4. Step 4: Simplify right side
    127,461.24x = 17,262,848,155.96
  5. Step 5: Solve for x
    x = 17,262,848,155.96/127,461.24
  6. Step 6: Final answer
    x = 135,436.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.