Home / 157,480.90-236,221.35-143,702.80

Finding the Fourth Proportional to 157,480.90, 236,221.35 and 143,702.80

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Solution

The fourth proportional to 157,480.90, 236,221.35 and 143,702.80 is: 215,554.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,480.90 : 236,221.35 = 143,702.80 : x
  2. Step 2: Convert to fraction form
    157,480.90/236,221.35 = 143,702.80/x
  3. Step 3: Cross multiply
    157,480.90x = 236,221.35 × 143,702.80
  4. Step 4: Simplify right side
    157,480.90x = 33,945,669,414.78
  5. Step 5: Solve for x
    x = 33,945,669,414.78/157,480.90
  6. Step 6: Final answer
    x = 215,554.20

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1.5x scale

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.