Home / 139,322.04-208,984-34,141.02

Finding the Fourth Proportional to 139,322.04, 208,984 and 34,141.02

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Solution

The fourth proportional to 139,322.04, 208,984 and 34,141.02 is: 51,211.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,322.04 : 208,984 = 34,141.02 : x
  2. Step 2: Convert to fraction form
    139,322.04/208,984 = 34,141.02/x
  3. Step 3: Cross multiply
    139,322.04x = 208,984 × 34,141.02
  4. Step 4: Simplify right side
    139,322.04x = 7,134,926,923.68
  5. Step 5: Solve for x
    x = 7,134,926,923.68/139,322.04
  6. Step 6: Final answer
    x = 51,211.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.