Home / 180,505.05-249,098.91-99,933.81

Finding the Fourth Proportional to 180,505.05, 249,098.91 and 99,933.81

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Solution

The fourth proportional to 180,505.05, 249,098.91 and 99,933.81 is: 137,909.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,505.05 : 249,098.91 = 99,933.81 : x
  2. Step 2: Convert to fraction form
    180,505.05/249,098.91 = 99,933.81/x
  3. Step 3: Cross multiply
    180,505.05x = 249,098.91 × 99,933.81
  4. Step 4: Simplify right side
    180,505.05x = 24,893,403,143.15
  5. Step 5: Solve for x
    x = 24,893,403,143.15/180,505.05
  6. Step 6: Final answer
    x = 137,909.73

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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.