Home / 153,309.60-211,604.40-102,324.96

Finding the Fourth Proportional to 153,309.60, 211,604.40 and 102,324.96

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Solution

The fourth proportional to 153,309.60, 211,604.40 and 102,324.96 is: 141,233.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,309.60 : 211,604.40 = 102,324.96 : x
  2. Step 2: Convert to fraction form
    153,309.60/211,604.40 = 102,324.96/x
  3. Step 3: Cross multiply
    153,309.60x = 211,604.40 × 102,324.96
  4. Step 4: Simplify right side
    153,309.60x = 21,652,411,765.82
  5. Step 5: Solve for x
    x = 21,652,411,765.82/153,309.60
  6. Step 6: Final answer
    x = 141,233.24

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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.