Home / 165,725.36-228,710.80-124,817.36

Finding the Fourth Proportional to 165,725.36, 228,710.80 and 124,817.36

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Solution

The fourth proportional to 165,725.36, 228,710.80 and 124,817.36 is: 172,255.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,725.36 : 228,710.80 = 124,817.36 : x
  2. Step 2: Convert to fraction form
    165,725.36/228,710.80 = 124,817.36/x
  3. Step 3: Cross multiply
    165,725.36x = 228,710.80 × 124,817.36
  4. Step 4: Simplify right side
    165,725.36x = 28,547,078,259.49
  5. Step 5: Solve for x
    x = 28,547,078,259.49/165,725.36
  6. Step 6: Final answer
    x = 172,255.34

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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.