Home / 127,112.06-175,412.31-70,522.22

Finding the Fourth Proportional to 127,112.06, 175,412.31 and 70,522.22

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Solution

The fourth proportional to 127,112.06, 175,412.31 and 70,522.22 is: 97,319.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,112.06 : 175,412.31 = 70,522.22 : x
  2. Step 2: Convert to fraction form
    127,112.06/175,412.31 = 70,522.22/x
  3. Step 3: Cross multiply
    127,112.06x = 175,412.31 × 70,522.22
  4. Step 4: Simplify right side
    127,112.06x = 12,370,465,516.53
  5. Step 5: Solve for x
    x = 12,370,465,516.53/127,112.06
  6. Step 6: Final answer
    x = 97,319.37

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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.