Home / 153,735.13-212,008.48-99,958.69

Finding the Fourth Proportional to 153,735.13, 212,008.48 and 99,958.69

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Solution

The fourth proportional to 153,735.13, 212,008.48 and 99,958.69 is: 137,848.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,735.13 : 212,008.48 = 99,958.69 : x
  2. Step 2: Convert to fraction form
    153,735.13/212,008.48 = 99,958.69/x
  3. Step 3: Cross multiply
    153,735.13x = 212,008.48 × 99,958.69
  4. Step 4: Simplify right side
    153,735.13x = 21,192,089,929.69
  5. Step 5: Solve for x
    x = 21,192,089,929.69/153,735.13
  6. Step 6: Final answer
    x = 137,848.06

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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.