Home / 197,501.40-272,475.82-137,041.79

Finding the Fourth Proportional to 197,501.40, 272,475.82 and 137,041.79

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Solution

The fourth proportional to 197,501.40, 272,475.82 and 137,041.79 is: 189,064.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,501.40 : 272,475.82 = 137,041.79 : x
  2. Step 2: Convert to fraction form
    197,501.40/272,475.82 = 137,041.79/x
  3. Step 3: Cross multiply
    197,501.40x = 272,475.82 × 137,041.79
  4. Step 4: Simplify right side
    197,501.40x = 37,340,574,104.52
  5. Step 5: Solve for x
    x = 37,340,574,104.52/197,501.40
  6. Step 6: Final answer
    x = 189,064.86

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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.