Home / 193,550.40-290,250.72-75,206.16

Finding the Fourth Proportional to 193,550.40, 290,250.72 and 75,206.16

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Solution

The fourth proportional to 193,550.40, 290,250.72 and 75,206.16 is: 112,780.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,550.40 : 290,250.72 = 75,206.16 : x
  2. Step 2: Convert to fraction form
    193,550.40/290,250.72 = 75,206.16/x
  3. Step 3: Cross multiply
    193,550.40x = 290,250.72 × 75,206.16
  4. Step 4: Simplify right side
    193,550.40x = 21,828,642,088.44
  5. Step 5: Solve for x
    x = 21,828,642,088.44/193,550.40
  6. Step 6: Final answer
    x = 112,780.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.