Home / 166,426.13-249,309.32-77,557.38

Finding the Fourth Proportional to 166,426.13, 249,309.32 and 77,557.38

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Solution

The fourth proportional to 166,426.13, 249,309.32 and 77,557.38 is: 116,182.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,426.13 : 249,309.32 = 77,557.38 : x
  2. Step 2: Convert to fraction form
    166,426.13/249,309.32 = 77,557.38/x
  3. Step 3: Cross multiply
    166,426.13x = 249,309.32 × 77,557.38
  4. Step 4: Simplify right side
    166,426.13x = 19,335,777,280.99
  5. Step 5: Solve for x
    x = 19,335,777,280.99/166,426.13
  6. Step 6: Final answer
    x = 116,182.34

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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.