Home / 177,261.64-265,710.06-77,403.16

Finding the Fourth Proportional to 177,261.64, 265,710.06 and 77,403.16

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Solution

The fourth proportional to 177,261.64, 265,710.06 and 77,403.16 is: 116,025.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,261.64 : 265,710.06 = 77,403.16 : x
  2. Step 2: Convert to fraction form
    177,261.64/265,710.06 = 77,403.16/x
  3. Step 3: Cross multiply
    177,261.64x = 265,710.06 × 77,403.16
  4. Step 4: Simplify right side
    177,261.64x = 20,566,798,287.79
  5. Step 5: Solve for x
    x = 20,566,798,287.79/177,261.64
  6. Step 6: Final answer
    x = 116,025.09

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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.