Home / 197,541.33-272,611.68-112,656.57

Finding the Fourth Proportional to 197,541.33, 272,611.68 and 112,656.57

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Solution

The fourth proportional to 197,541.33, 272,611.68 and 112,656.57 is: 155,468.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,541.33 : 272,611.68 = 112,656.57 : x
  2. Step 2: Convert to fraction form
    197,541.33/272,611.68 = 112,656.57/x
  3. Step 3: Cross multiply
    197,541.33x = 272,611.68 × 112,656.57
  4. Step 4: Simplify right side
    197,541.33x = 30,711,496,810.74
  5. Step 5: Solve for x
    x = 30,711,496,810.74/197,541.33
  6. Step 6: Final answer
    x = 155,468.72

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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.