Home / 261,944.64-361,420.56-152,987.20

Finding the Fourth Proportional to 261,944.64, 361,420.56 and 152,987.20

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Solution

The fourth proportional to 261,944.64, 361,420.56 and 152,987.20 is: 211,085.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,944.64 : 361,420.56 = 152,987.20 : x
  2. Step 2: Convert to fraction form
    261,944.64/361,420.56 = 152,987.20/x
  3. Step 3: Cross multiply
    261,944.64x = 361,420.56 × 152,987.20
  4. Step 4: Simplify right side
    261,944.64x = 55,292,719,496.83
  5. Step 5: Solve for x
    x = 55,292,719,496.83/261,944.64
  6. Step 6: Final answer
    x = 211,085.52

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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.