Home / 127,187.08-175,519.38-70,603.72

Finding the Fourth Proportional to 127,187.08, 175,519.38 and 70,603.72

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Solution

The fourth proportional to 127,187.08, 175,519.38 and 70,603.72 is: 97,433.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,187.08 : 175,519.38 = 70,603.72 : x
  2. Step 2: Convert to fraction form
    127,187.08/175,519.38 = 70,603.72/x
  3. Step 3: Cross multiply
    127,187.08x = 175,519.38 × 70,603.72
  4. Step 4: Simplify right side
    127,187.08x = 12,392,321,160.09
  5. Step 5: Solve for x
    x = 12,392,321,160.09/127,187.08
  6. Step 6: Final answer
    x = 97,433.81

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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.