Home / 127,127.36-175,429.76-69,765.39

Finding the Fourth Proportional to 127,127.36, 175,429.76 and 69,765.39

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Solution

The fourth proportional to 127,127.36, 175,429.76 and 69,765.39 is: 96,272.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,127.36 : 175,429.76 = 69,765.39 : x
  2. Step 2: Convert to fraction form
    127,127.36/175,429.76 = 69,765.39/x
  3. Step 3: Cross multiply
    127,127.36x = 175,429.76 × 69,765.39
  4. Step 4: Simplify right side
    127,127.36x = 12,238,925,624.01
  5. Step 5: Solve for x
    x = 12,238,925,624.01/127,127.36
  6. Step 6: Final answer
    x = 96,272.95

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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.