Home / 127,459.84-175,899-70,103.50

Finding the Fourth Proportional to 127,459.84, 175,899 and 70,103.50

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Solution

The fourth proportional to 127,459.84, 175,899 and 70,103.50 is: 96,745.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,459.84 : 175,899 = 70,103.50 : x
  2. Step 2: Convert to fraction form
    127,459.84/175,899 = 70,103.50/x
  3. Step 3: Cross multiply
    127,459.84x = 175,899 × 70,103.50
  4. Step 4: Simplify right side
    127,459.84x = 12,331,135,546.50
  5. Step 5: Solve for x
    x = 12,331,135,546.50/127,459.84
  6. Step 6: Final answer
    x = 96,745.26

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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.