Home / 127,000.12-175,260.64-69,640.34

Finding the Fourth Proportional to 127,000.12, 175,260.64 and 69,640.34

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Solution

The fourth proportional to 127,000.12, 175,260.64 and 69,640.34 is: 96,103.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,000.12 : 175,260.64 = 69,640.34 : x
  2. Step 2: Convert to fraction form
    127,000.12/175,260.64 = 69,640.34/x
  3. Step 3: Cross multiply
    127,000.12x = 175,260.64 × 69,640.34
  4. Step 4: Simplify right side
    127,000.12x = 12,205,210,558.22
  5. Step 5: Solve for x
    x = 12,205,210,558.22/127,000.12
  6. Step 6: Final answer
    x = 96,103.93

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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.