Home / 127,501.32-175,949.46-70,912.20

Finding the Fourth Proportional to 127,501.32, 175,949.46 and 70,912.20

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Solution

The fourth proportional to 127,501.32, 175,949.46 and 70,912.20 is: 97,857.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,501.32 : 175,949.46 = 70,912.20 : x
  2. Step 2: Convert to fraction form
    127,501.32/175,949.46 = 70,912.20/x
  3. Step 3: Cross multiply
    127,501.32x = 175,949.46 × 70,912.20
  4. Step 4: Simplify right side
    127,501.32x = 12,476,963,297.41
  5. Step 5: Solve for x
    x = 12,476,963,297.41/127,501.32
  6. Step 6: Final answer
    x = 97,857.52

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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.