Home / 197,467.24-272,221.30-140,780.20

Finding the Fourth Proportional to 197,467.24, 272,221.30 and 140,780.20

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Solution

The fourth proportional to 197,467.24, 272,221.30 and 140,780.20 is: 194,074.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,467.24 : 272,221.30 = 140,780.20 : x
  2. Step 2: Convert to fraction form
    197,467.24/272,221.30 = 140,780.20/x
  3. Step 3: Cross multiply
    197,467.24x = 272,221.30 × 140,780.20
  4. Step 4: Simplify right side
    197,467.24x = 38,323,369,058.26
  5. Step 5: Solve for x
    x = 38,323,369,058.26/197,467.24
  6. Step 6: Final answer
    x = 194,074.57

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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.