Home / 197,451.72-272,199.96-140,764.68

Finding the Fourth Proportional to 197,451.72, 272,199.96 and 140,764.68

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Solution

The fourth proportional to 197,451.72, 272,199.96 and 140,764.68 is: 194,053.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,451.72 : 272,199.96 = 140,764.68 : x
  2. Step 2: Convert to fraction form
    197,451.72/272,199.96 = 140,764.68/x
  3. Step 3: Cross multiply
    197,451.72x = 272,199.96 × 140,764.68
  4. Step 4: Simplify right side
    197,451.72x = 38,316,140,265.41
  5. Step 5: Solve for x
    x = 38,316,140,265.41/197,451.72
  6. Step 6: Final answer
    x = 194,053.21

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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.