Home / 180,542.93-249,163.16-99,977.90

Finding the Fourth Proportional to 180,542.93, 249,163.16 and 99,977.90

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Solution

The fourth proportional to 180,542.93, 249,163.16 and 99,977.90 is: 137,977.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,542.93 : 249,163.16 = 99,977.90 : x
  2. Step 2: Convert to fraction form
    180,542.93/249,163.16 = 99,977.90/x
  3. Step 3: Cross multiply
    180,542.93x = 249,163.16 × 99,977.90
  4. Step 4: Simplify right side
    180,542.93x = 24,910,807,748.46
  5. Step 5: Solve for x
    x = 24,910,807,748.46/180,542.93
  6. Step 6: Final answer
    x = 137,977.20

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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.