Home / 180,488.46-249,066-99,910.29

Finding the Fourth Proportional to 180,488.46, 249,066 and 99,910.29

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Solution

The fourth proportional to 180,488.46, 249,066 and 99,910.29 is: 137,871.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,488.46 : 249,066 = 99,910.29 : x
  2. Step 2: Convert to fraction form
    180,488.46/249,066 = 99,910.29/x
  3. Step 3: Cross multiply
    180,488.46x = 249,066 × 99,910.29
  4. Step 4: Simplify right side
    180,488.46x = 24,884,256,289.14
  5. Step 5: Solve for x
    x = 24,884,256,289.14/180,488.46
  6. Step 6: Final answer
    x = 137,871.73

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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.