Home / 125,250.90-172,853.38-74,293.80

Finding the Fourth Proportional to 125,250.90, 172,853.38 and 74,293.80

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Solution

The fourth proportional to 125,250.90, 172,853.38 and 74,293.80 is: 102,529.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,250.90 : 172,853.38 = 74,293.80 : x
  2. Step 2: Convert to fraction form
    125,250.90/172,853.38 = 74,293.80/x
  3. Step 3: Cross multiply
    125,250.90x = 172,853.38 × 74,293.80
  4. Step 4: Simplify right side
    125,250.90x = 12,841,933,469.81
  5. Step 5: Solve for x
    x = 12,841,933,469.81/125,250.90
  6. Step 6: Final answer
    x = 102,529.67

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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.