Home / 188,330.08-259,896.72-103,446.40

Finding the Fourth Proportional to 188,330.08, 259,896.72 and 103,446.40

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Solution

The fourth proportional to 188,330.08, 259,896.72 and 103,446.40 is: 142,756.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,330.08 : 259,896.72 = 103,446.40 : x
  2. Step 2: Convert to fraction form
    188,330.08/259,896.72 = 103,446.40/x
  3. Step 3: Cross multiply
    188,330.08x = 259,896.72 × 103,446.40
  4. Step 4: Simplify right side
    188,330.08x = 26,885,380,055.81
  5. Step 5: Solve for x
    x = 26,885,380,055.81/188,330.08
  6. Step 6: Final answer
    x = 142,756.70

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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.