Home / 127,138.14-175,451.67-70,550.46

Finding the Fourth Proportional to 127,138.14, 175,451.67 and 70,550.46

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Solution

The fourth proportional to 127,138.14, 175,451.67 and 70,550.46 is: 97,360.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,138.14 : 175,451.67 = 70,550.46 : x
  2. Step 2: Convert to fraction form
    127,138.14/175,451.67 = 70,550.46/x
  3. Step 3: Cross multiply
    127,138.14x = 175,451.67 × 70,550.46
  4. Step 4: Simplify right side
    127,138.14x = 12,378,196,026.27
  5. Step 5: Solve for x
    x = 12,378,196,026.27/127,138.14
  6. Step 6: Final answer
    x = 97,360.21

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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.