Home / 153,430.80-211,371.48-146,344.56

Finding the Fourth Proportional to 153,430.80, 211,371.48 and 146,344.56

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Solution

The fourth proportional to 153,430.80, 211,371.48 and 146,344.56 is: 201,609.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,430.80 : 211,371.48 = 146,344.56 : x
  2. Step 2: Convert to fraction form
    153,430.80/211,371.48 = 146,344.56/x
  3. Step 3: Cross multiply
    153,430.80x = 211,371.48 × 146,344.56
  4. Step 4: Simplify right side
    153,430.80x = 30,933,066,237.15
  5. Step 5: Solve for x
    x = 30,933,066,237.15/153,430.80
  6. Step 6: Final answer
    x = 201,609.24

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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.