Home / 127,089.39-175,377.44-69,727.42

Finding the Fourth Proportional to 127,089.39, 175,377.44 and 69,727.42

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Solution

The fourth proportional to 127,089.39, 175,377.44 and 69,727.42 is: 96,220.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,089.39 : 175,377.44 = 69,727.42 : x
  2. Step 2: Convert to fraction form
    127,089.39/175,377.44 = 69,727.42/x
  3. Step 3: Cross multiply
    127,089.39x = 175,377.44 × 69,727.42
  4. Step 4: Simplify right side
    127,089.39x = 12,228,616,417.40
  5. Step 5: Solve for x
    x = 12,228,616,417.40/127,089.39
  6. Step 6: Final answer
    x = 96,220.59

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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.