Home / 155,186.56-214,150.08-88,117.12

Finding the Fourth Proportional to 155,186.56, 214,150.08 and 88,117.12

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Solution

The fourth proportional to 155,186.56, 214,150.08 and 88,117.12 is: 121,597.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,186.56 : 214,150.08 = 88,117.12 : x
  2. Step 2: Convert to fraction form
    155,186.56/214,150.08 = 88,117.12/x
  3. Step 3: Cross multiply
    155,186.56x = 214,150.08 × 88,117.12
  4. Step 4: Simplify right side
    155,186.56x = 18,870,288,297.37
  5. Step 5: Solve for x
    x = 18,870,288,297.37/155,186.56
  6. Step 6: Final answer
    x = 121,597.44

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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.