Home / 197,505.66-272,386.35-137,176.86

Finding the Fourth Proportional to 197,505.66, 272,386.35 and 137,176.86

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Solution

The fourth proportional to 197,505.66, 272,386.35 and 137,176.86 is: 189,184.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,505.66 : 272,386.35 = 137,176.86 : x
  2. Step 2: Convert to fraction form
    197,505.66/272,386.35 = 137,176.86/x
  3. Step 3: Cross multiply
    197,505.66x = 272,386.35 × 137,176.86
  4. Step 4: Simplify right side
    197,505.66x = 37,365,104,199.86
  5. Step 5: Solve for x
    x = 37,365,104,199.86/197,505.66
  6. Step 6: Final answer
    x = 189,184.98

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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.