Home / 197,199.72-272,191.32-116,655.21

Finding the Fourth Proportional to 197,199.72, 272,191.32 and 116,655.21

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Solution

The fourth proportional to 197,199.72, 272,191.32 and 116,655.21 is: 161,017.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,199.72 : 272,191.32 = 116,655.21 : x
  2. Step 2: Convert to fraction form
    197,199.72/272,191.32 = 116,655.21/x
  3. Step 3: Cross multiply
    197,199.72x = 272,191.32 × 116,655.21
  4. Step 4: Simplify right side
    197,199.72x = 31,752,535,594.78
  5. Step 5: Solve for x
    x = 31,752,535,594.78/197,199.72
  6. Step 6: Final answer
    x = 161,017.14

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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.