Home / 166,474.23-249,678.77-138,573.51

Finding the Fourth Proportional to 166,474.23, 249,678.77 and 138,573.51

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Solution

The fourth proportional to 166,474.23, 249,678.77 and 138,573.51 is: 207,833.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,474.23 : 249,678.77 = 138,573.51 : x
  2. Step 2: Convert to fraction form
    166,474.23/249,678.77 = 138,573.51/x
  3. Step 3: Cross multiply
    166,474.23x = 249,678.77 × 138,573.51
  4. Step 4: Simplify right side
    166,474.23x = 34,598,862,838.52
  5. Step 5: Solve for x
    x = 34,598,862,838.52/166,474.23
  6. Step 6: Final answer
    x = 207,833.15

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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.