Home / 197,457.22-272,207.55-140,770.18

Finding the Fourth Proportional to 197,457.22, 272,207.55 and 140,770.18

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Solution

The fourth proportional to 197,457.22, 272,207.55 and 140,770.18 is: 194,060.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,457.22 : 272,207.55 = 140,770.18 : x
  2. Step 2: Convert to fraction form
    197,457.22/272,207.55 = 140,770.18/x
  3. Step 3: Cross multiply
    197,457.22x = 272,207.55 × 140,770.18
  4. Step 4: Simplify right side
    197,457.22x = 38,318,705,810.86
  5. Step 5: Solve for x
    x = 38,318,705,810.86/197,457.22
  6. Step 6: Final answer
    x = 194,060.80

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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.