Home / 197,339.30-272,261.67-112,396.22

Finding the Fourth Proportional to 197,339.30, 272,261.67 and 112,396.22

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Solution

The fourth proportional to 197,339.30, 272,261.67 and 112,396.22 is: 155,068.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,339.30 : 272,261.67 = 112,396.22 : x
  2. Step 2: Convert to fraction form
    197,339.30/272,261.67 = 112,396.22/x
  3. Step 3: Cross multiply
    197,339.30x = 272,261.67 × 112,396.22
  4. Step 4: Simplify right side
    197,339.30x = 30,601,182,558.89
  5. Step 5: Solve for x
    x = 30,601,182,558.89/197,339.30
  6. Step 6: Final answer
    x = 155,068.87

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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.