Home / 228,089.21-314,755.14-124,725.80

Finding the Fourth Proportional to 228,089.21, 314,755.14 and 124,725.80

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Solution

The fourth proportional to 228,089.21, 314,755.14 and 124,725.80 is: 172,117.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,089.21 : 314,755.14 = 124,725.80 : x
  2. Step 2: Convert to fraction form
    228,089.21/314,755.14 = 124,725.80/x
  3. Step 3: Cross multiply
    228,089.21x = 314,755.14 × 124,725.80
  4. Step 4: Simplify right side
    228,089.21x = 39,258,086,640.61
  5. Step 5: Solve for x
    x = 39,258,086,640.61/228,089.21
  6. Step 6: Final answer
    x = 172,117.25

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1.5x scale

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.