Home / 127,139.32-175,450.62-70,549.48

Finding the Fourth Proportional to 127,139.32, 175,450.62 and 70,549.48

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Solution

The fourth proportional to 127,139.32, 175,450.62 and 70,549.48 is: 97,357.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,139.32 : 175,450.62 = 70,549.48 : x
  2. Step 2: Convert to fraction form
    127,139.32/175,450.62 = 70,549.48/x
  3. Step 3: Cross multiply
    127,139.32x = 175,450.62 × 70,549.48
  4. Step 4: Simplify right side
    127,139.32x = 12,377,950,006.68
  5. Step 5: Solve for x
    x = 12,377,950,006.68/127,139.32
  6. Step 6: Final answer
    x = 97,357.37

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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.