Home / 197,675.28-272,771.52-112,776

Finding the Fourth Proportional to 197,675.28, 272,771.52 and 112,776

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Solution

The fourth proportional to 197,675.28, 272,771.52 and 112,776 is: 155,619.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,675.28 : 272,771.52 = 112,776 : x
  2. Step 2: Convert to fraction form
    197,675.28/272,771.52 = 112,776/x
  3. Step 3: Cross multiply
    197,675.28x = 272,771.52 × 112,776
  4. Step 4: Simplify right side
    197,675.28x = 30,762,080,939.52
  5. Step 5: Solve for x
    x = 30,762,080,939.52/197,675.28
  6. Step 6: Final answer
    x = 155,619.26

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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.