Home / 258,180.66-386,710.14-124,781.16

Finding the Fourth Proportional to 258,180.66, 386,710.14 and 124,781.16

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Solution

The fourth proportional to 258,180.66, 386,710.14 and 124,781.16 is: 186,900.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,180.66 : 386,710.14 = 124,781.16 : x
  2. Step 2: Convert to fraction form
    258,180.66/386,710.14 = 124,781.16/x
  3. Step 3: Cross multiply
    258,180.66x = 386,710.14 × 124,781.16
  4. Step 4: Simplify right side
    258,180.66x = 48,254,139,852.96
  5. Step 5: Solve for x
    x = 48,254,139,852.96/258,180.66
  6. Step 6: Final answer
    x = 186,900.68

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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.