Home / 155,610.63-233,231.40-139,741.20

Finding the Fourth Proportional to 155,610.63, 233,231.40 and 139,741.20

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Solution

The fourth proportional to 155,610.63, 233,231.40 and 139,741.20 is: 209,446.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,610.63 : 233,231.40 = 139,741.20 : x
  2. Step 2: Convert to fraction form
    155,610.63/233,231.40 = 139,741.20/x
  3. Step 3: Cross multiply
    155,610.63x = 233,231.40 × 139,741.20
  4. Step 4: Simplify right side
    155,610.63x = 32,592,035,713.68
  5. Step 5: Solve for x
    x = 32,592,035,713.68/155,610.63
  6. Step 6: Final answer
    x = 209,446.08

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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.