Home / 127,042.40-175,318.46-70,453.78

Finding the Fourth Proportional to 127,042.40, 175,318.46 and 70,453.78

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Solution

The fourth proportional to 127,042.40, 175,318.46 and 70,453.78 is: 97,226.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,042.40 : 175,318.46 = 70,453.78 : x
  2. Step 2: Convert to fraction form
    127,042.40/175,318.46 = 70,453.78/x
  3. Step 3: Cross multiply
    127,042.40x = 175,318.46 × 70,453.78
  4. Step 4: Simplify right side
    127,042.40x = 12,351,848,210.78
  5. Step 5: Solve for x
    x = 12,351,848,210.78/127,042.40
  6. Step 6: Final answer
    x = 97,226.19

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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.