Home / 190,023.48-285,476.40-179,820

Finding the Fourth Proportional to 190,023.48, 285,476.40 and 179,820

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Solution

The fourth proportional to 190,023.48, 285,476.40 and 179,820 is: 270,147.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,023.48 : 285,476.40 = 179,820 : x
  2. Step 2: Convert to fraction form
    190,023.48/285,476.40 = 179,820/x
  3. Step 3: Cross multiply
    190,023.48x = 285,476.40 × 179,820
  4. Step 4: Simplify right side
    190,023.48x = 51,334,366,248.00
  5. Step 5: Solve for x
    x = 51,334,366,248.00/190,023.48
  6. Step 6: Final answer
    x = 270,147.49

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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.