Home / 190,645.04-263,081.25-104,602.05

Finding the Fourth Proportional to 190,645.04, 263,081.25 and 104,602.05

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Solution

The fourth proportional to 190,645.04, 263,081.25 and 104,602.05 is: 144,345.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,645.04 : 263,081.25 = 104,602.05 : x
  2. Step 2: Convert to fraction form
    190,645.04/263,081.25 = 104,602.05/x
  3. Step 3: Cross multiply
    190,645.04x = 263,081.25 × 104,602.05
  4. Step 4: Simplify right side
    190,645.04x = 27,518,838,066.56
  5. Step 5: Solve for x
    x = 27,518,838,066.56/190,645.04
  6. Step 6: Final answer
    x = 144,345.94

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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.