Home / 168,733.40-253,391.70-90,001.40

Finding the Fourth Proportional to 168,733.40, 253,391.70 and 90,001.40

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Solution

The fourth proportional to 168,733.40, 253,391.70 and 90,001.40 is: 135,157.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,733.40 : 253,391.70 = 90,001.40 : x
  2. Step 2: Convert to fraction form
    168,733.40/253,391.70 = 90,001.40/x
  3. Step 3: Cross multiply
    168,733.40x = 253,391.70 × 90,001.40
  4. Step 4: Simplify right side
    168,733.40x = 22,805,607,748.38
  5. Step 5: Solve for x
    x = 22,805,607,748.38/168,733.40
  6. Step 6: Final answer
    x = 135,157.64

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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.