Home / 197,298.72-272,291.12-116,751.84

Finding the Fourth Proportional to 197,298.72, 272,291.12 and 116,751.84

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Solution

The fourth proportional to 197,298.72, 272,291.12 and 116,751.84 is: 161,128.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,298.72 : 272,291.12 = 116,751.84 : x
  2. Step 2: Convert to fraction form
    197,298.72/272,291.12 = 116,751.84/x
  3. Step 3: Cross multiply
    197,298.72x = 272,291.12 × 116,751.84
  4. Step 4: Simplify right side
    197,298.72x = 31,790,489,275.66
  5. Step 5: Solve for x
    x = 31,790,489,275.66/197,298.72
  6. Step 6: Final answer
    x = 161,128.72

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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.