Home / 127,072.80-175,005.36-124,317.72

Finding the Fourth Proportional to 127,072.80, 175,005.36 and 124,317.72

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Solution

The fourth proportional to 127,072.80, 175,005.36 and 124,317.72 is: 171,211.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,072.80 : 175,005.36 = 124,317.72 : x
  2. Step 2: Convert to fraction form
    127,072.80/175,005.36 = 124,317.72/x
  3. Step 3: Cross multiply
    127,072.80x = 175,005.36 × 124,317.72
  4. Step 4: Simplify right side
    127,072.80x = 21,756,267,342.98
  5. Step 5: Solve for x
    x = 21,756,267,342.98/127,072.80
  6. Step 6: Final answer
    x = 171,211.05

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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.