Home / 127,076.46-175,386.54-70,506.06

Finding the Fourth Proportional to 127,076.46, 175,386.54 and 70,506.06

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Solution

The fourth proportional to 127,076.46, 175,386.54 and 70,506.06 is: 97,310.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,076.46 : 175,386.54 = 70,506.06 : x
  2. Step 2: Convert to fraction form
    127,076.46/175,386.54 = 70,506.06/x
  3. Step 3: Cross multiply
    127,076.46x = 175,386.54 × 70,506.06
  4. Step 4: Simplify right side
    127,076.46x = 12,365,813,912.43
  5. Step 5: Solve for x
    x = 12,365,813,912.43/127,076.46
  6. Step 6: Final answer
    x = 97,310.03

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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.